18874601520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{21011}}^1$

素因数の和:21243

約数の個数: 160

約数和(自身を含む): 61906394880

約数和(自身を除く): 43031793360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 197, 228, 240, 285, 304, 380, 394, 456, 570, 591, 760, 788, 912, 985, 1140, 1182, 1520, 1576, 1970, 2280, 2364, 2955, 3152, 3743, 3940, 4560, 4728, 5910, 7486, 7880, 9456, 11229, 11820, 14972, 15760, 18715, 21011, 22458, 23640, 29944, 37430, 42022, 44916, 47280, 56145, 59888, 63033, 74860, 84044, 89832, 105055, 112290, 126066, 149720, 168088, 179664, 210110, 224580, 252132, 299440, 315165, 336176, 399209, 420220, 449160, 504264, 630330, 798418, 840440, 898320, 1008528, 1197627, 1260660, 1596836, 1680880, 1996045, 2395254, 2521320, 3193672, 3992090, 4139167, 4790508, 5042640, 5988135, 6387344, 7984180, 8278334, 9581016, 11976270, 12417501, 15968360, 16556668, 19162032, 20695835, 23952540, 24835002, 31936720, 33113336, 41391670, 47905080, 49670004, 62087505, 66226672, 78644173, 82783340, 95810160, 99340008, 124175010, 157288346, 165566680, 198680016, 235932519, 248350020, 314576692, 331133360, 393220865, 471865038, 496700040, 629153384, 786441730, 943730076, 993400080, 1179662595, 1258306768, 1572883460, 1887460152, 2359325190, 3145766920, 3774920304, 4718650380, 6291533840, 9437300760, 18874601520]

約数ペア:

[(1, 18874601520), (2, 9437300760), (3, 6291533840), (4, 4718650380), (5, 3774920304), (6, 3145766920), (8, 2359325190), (10, 1887460152), (12, 1572883460), (15, 1258306768), (16, 1179662595), (19, 993400080), (20, 943730076), (24, 786441730), (30, 629153384), (38, 496700040), (40, 471865038), (48, 393220865), (57, 331133360), (60, 314576692), (76, 248350020), (80, 235932519), (95, 198680016), (114, 165566680), (120, 157288346), (152, 124175010), (190, 99340008), (197, 95810160), (228, 82783340), (240, 78644173), (285, 66226672), (304, 62087505), (380, 49670004), (394, 47905080), (456, 41391670), (570, 33113336), (591, 31936720), (760, 24835002), (788, 23952540), (912, 20695835), (985, 19162032), (1140, 16556668), (1182, 15968360), (1520, 12417501), (1576, 11976270), (1970, 9581016), (2280, 8278334), (2364, 7984180), (2955, 6387344), (3152, 5988135), (3743, 5042640), (3940, 4790508), (4560, 4139167), (4728, 3992090), (5910, 3193672), (7486, 2521320), (7880, 2395254), (9456, 1996045), (11229, 1680880), (11820, 1596836), (14972, 1260660), (15760, 1197627), (18715, 1008528), (21011, 898320), (22458, 840440), (23640, 798418), (29944, 630330), (37430, 504264), (42022, 449160), (44916, 420220), (47280, 399209), (56145, 336176), (59888, 315165), (63033, 299440), (74860, 252132), (84044, 224580), (89832, 210110), (105055, 179664), (112290, 168088), (126066, 149720)]