18502960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:123

約数の個数: 160

約数和(自身を含む): 54282240

約数和(自身を除く): 35779280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 37, 38, 40, 47, 56, 70, 74, 76, 80, 94, 95, 112, 133, 140, 148, 152, 185, 188, 190, 235, 259, 266, 280, 296, 304, 329, 370, 376, 380, 470, 518, 532, 560, 592, 658, 665, 703, 740, 752, 760, 893, 940, 1036, 1064, 1295, 1316, 1330, 1406, 1480, 1520, 1645, 1739, 1786, 1880, 2072, 2128, 2590, 2632, 2660, 2812, 2960, 3290, 3478, 3515, 3572, 3760, 4144, 4465, 4921, 5180, 5264, 5320, 5624, 6251, 6580, 6956, 7030, 7144, 8695, 8930, 9842, 10360, 10640, 11248, 12173, 12502, 13160, 13912, 14060, 14288, 17390, 17860, 19684, 20720, 24346, 24605, 25004, 26320, 27824, 28120, 31255, 33041, 34780, 35720, 39368, 48692, 49210, 50008, 56240, 60865, 62510, 66082, 69560, 71440, 78736, 97384, 98420, 100016, 121730, 125020, 132164, 139120, 165205, 194768, 196840, 231287, 243460, 250040, 264328, 330410, 393680, 462574, 486920, 500080, 528656, 660820, 925148, 973840, 1156435, 1321640, 1850296, 2312870, 2643280, 3700592, 4625740, 9251480, 18502960]

約数ペア:

[(1, 18502960), (2, 9251480), (4, 4625740), (5, 3700592), (7, 2643280), (8, 2312870), (10, 1850296), (14, 1321640), (16, 1156435), (19, 973840), (20, 925148), (28, 660820), (35, 528656), (37, 500080), (38, 486920), (40, 462574), (47, 393680), (56, 330410), (70, 264328), (74, 250040), (76, 243460), (80, 231287), (94, 196840), (95, 194768), (112, 165205), (133, 139120), (140, 132164), (148, 125020), (152, 121730), (185, 100016), (188, 98420), (190, 97384), (235, 78736), (259, 71440), (266, 69560), (280, 66082), (296, 62510), (304, 60865), (329, 56240), (370, 50008), (376, 49210), (380, 48692), (470, 39368), (518, 35720), (532, 34780), (560, 33041), (592, 31255), (658, 28120), (665, 27824), (703, 26320), (740, 25004), (752, 24605), (760, 24346), (893, 20720), (940, 19684), (1036, 17860), (1064, 17390), (1295, 14288), (1316, 14060), (1330, 13912), (1406, 13160), (1480, 12502), (1520, 12173), (1645, 11248), (1739, 10640), (1786, 10360), (1880, 9842), (2072, 8930), (2128, 8695), (2590, 7144), (2632, 7030), (2660, 6956), (2812, 6580), (2960, 6251), (3290, 5624), (3478, 5320), (3515, 5264), (3572, 5180), (3760, 4921), (4144, 4465)]