18466250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:129

約数の個数: 80

約数和(自身を含む): 40487040

約数和(自身を除く): 22020790

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 34, 50, 55, 79, 85, 110, 125, 158, 170, 187, 250, 275, 374, 395, 425, 550, 625, 790, 850, 869, 935, 1250, 1343, 1375, 1738, 1870, 1975, 2125, 2686, 2750, 3950, 4250, 4345, 4675, 6715, 6875, 8690, 9350, 9875, 10625, 13430, 13750, 14773, 19750, 21250, 21725, 23375, 29546, 33575, 43450, 46750, 49375, 67150, 73865, 98750, 108625, 116875, 147730, 167875, 217250, 233750, 335750, 369325, 543125, 738650, 839375, 1086250, 1678750, 1846625, 3693250, 9233125, 18466250]

約数ペア:

[(1, 18466250), (2, 9233125), (5, 3693250), (10, 1846625), (11, 1678750), (17, 1086250), (22, 839375), (25, 738650), (34, 543125), (50, 369325), (55, 335750), (79, 233750), (85, 217250), (110, 167875), (125, 147730), (158, 116875), (170, 108625), (187, 98750), (250, 73865), (275, 67150), (374, 49375), (395, 46750), (425, 43450), (550, 33575), (625, 29546), (790, 23375), (850, 21725), (869, 21250), (935, 19750), (1250, 14773), (1343, 13750), (1375, 13430), (1738, 10625), (1870, 9875), (1975, 9350), (2125, 8690), (2686, 6875), (2750, 6715), (3950, 4675), (4250, 4345)]