18945788848

素因数分解:

$2^4\times 7^3\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:688

約数の個数: 160

約数和(自身を含む): 43925760000

約数和(自身を除く): 24979971152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 79, 89, 98, 112, 158, 178, 196, 316, 343, 356, 392, 491, 553, 623, 632, 686, 712, 784, 982, 1106, 1246, 1264, 1372, 1424, 1964, 2212, 2492, 2744, 3437, 3871, 3928, 4361, 4424, 4984, 5488, 6874, 7031, 7742, 7856, 8722, 8848, 9968, 13748, 14062, 15484, 17444, 24059, 27097, 27496, 28124, 30527, 30968, 34888, 38789, 43699, 48118, 49217, 54194, 54992, 56248, 61054, 61936, 69776, 77578, 87398, 96236, 98434, 108388, 112496, 122108, 155156, 168413, 174796, 192472, 196868, 216776, 244216, 271523, 305893, 310312, 336826, 344519, 349592, 384944, 393736, 433552, 488432, 543046, 611786, 620624, 673652, 689038, 699184, 787472, 1086092, 1223572, 1347304, 1378076, 1900661, 2141251, 2172184, 2411633, 2447144, 2694608, 2756152, 3452221, 3801322, 4282502, 4344368, 4823266, 4894288, 5512304, 6904442, 7602644, 8565004, 9646532, 13304627, 13808884, 14988757, 15205288, 17130008, 19293064, 24165547, 26609254, 27617768, 29977514, 30410576, 34260016, 38586128, 48331094, 53218508, 55235536, 59955028, 96662188, 106437016, 119910056, 169158829, 193324376, 212874032, 239820112, 338317658, 386648752, 676635316, 1184111803, 1353270632, 2368223606, 2706541264, 4736447212, 9472894424, 18945788848]

約数ペア:

[(1, 18945788848), (2, 9472894424), (4, 4736447212), (7, 2706541264), (8, 2368223606), (14, 1353270632), (16, 1184111803), (28, 676635316), (49, 386648752), (56, 338317658), (79, 239820112), (89, 212874032), (98, 193324376), (112, 169158829), (158, 119910056), (178, 106437016), (196, 96662188), (316, 59955028), (343, 55235536), (356, 53218508), (392, 48331094), (491, 38586128), (553, 34260016), (623, 30410576), (632, 29977514), (686, 27617768), (712, 26609254), (784, 24165547), (982, 19293064), (1106, 17130008), (1246, 15205288), (1264, 14988757), (1372, 13808884), (1424, 13304627), (1964, 9646532), (2212, 8565004), (2492, 7602644), (2744, 6904442), (3437, 5512304), (3871, 4894288), (3928, 4823266), (4361, 4344368), (4424, 4282502), (4984, 3801322), (5488, 3452221), (6874, 2756152), (7031, 2694608), (7742, 2447144), (7856, 2411633), (8722, 2172184), (8848, 2141251), (9968, 1900661), (13748, 1378076), (14062, 1347304), (15484, 1223572), (17444, 1086092), (24059, 787472), (27097, 699184), (27496, 689038), (28124, 673652), (30527, 620624), (30968, 611786), (34888, 543046), (38789, 488432), (43699, 433552), (48118, 393736), (49217, 384944), (54194, 349592), (54992, 344519), (56248, 336826), (61054, 310312), (61936, 305893), (69776, 271523), (77578, 244216), (87398, 216776), (96236, 196868), (98434, 192472), (108388, 174796), (112496, 168413), (122108, 155156)]