20171851866

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{103}}^1\times {\mathrm{30139}}^1$

素因数の和:30288

約数の個数: 72

約数和(自身を含む): 46576427040

約数和(自身を除く): 26404575174

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 103, 114, 171, 206, 309, 342, 361, 618, 722, 927, 1083, 1854, 1957, 2166, 3249, 3914, 5871, 6498, 11742, 17613, 30139, 35226, 37183, 60278, 74366, 90417, 111549, 180834, 223098, 271251, 334647, 542502, 572641, 669294, 1145282, 1717923, 3104317, 3435846, 5153769, 6208634, 9312951, 10307538, 10880179, 18625902, 21760358, 27938853, 32640537, 55877706, 58982023, 65281074, 97921611, 117964046, 176946069, 195843222, 353892138, 530838207, 1061676414, 1120658437, 2241316874, 3361975311, 6723950622, 10085925933, 20171851866]

約数ペア:

[(1, 20171851866), (2, 10085925933), (3, 6723950622), (6, 3361975311), (9, 2241316874), (18, 1120658437), (19, 1061676414), (38, 530838207), (57, 353892138), (103, 195843222), (114, 176946069), (171, 117964046), (206, 97921611), (309, 65281074), (342, 58982023), (361, 55877706), (618, 32640537), (722, 27938853), (927, 21760358), (1083, 18625902), (1854, 10880179), (1957, 10307538), (2166, 9312951), (3249, 6208634), (3914, 5153769), (5871, 3435846), (6498, 3104317), (11742, 1717923), (17613, 1145282), (30139, 669294), (35226, 572641), (37183, 542502), (60278, 334647), (74366, 271251), (90417, 223098), (111549, 180834)]