18126250

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{853}}^1$

素因数の和:892

約数の個数: 40

約数和(自身を含む): 36016596

約数和(自身を除く): 17890346

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 625, 850, 853, 1250, 1706, 2125, 4250, 4265, 8530, 10625, 14501, 21250, 21325, 29002, 42650, 72505, 106625, 145010, 213250, 362525, 533125, 725050, 1066250, 1812625, 3625250, 9063125, 18126250]

約数ペア:

[(1, 18126250), (2, 9063125), (5, 3625250), (10, 1812625), (17, 1066250), (25, 725050), (34, 533125), (50, 362525), (85, 213250), (125, 145010), (170, 106625), (250, 72505), (425, 42650), (625, 29002), (850, 21325), (853, 21250), (1250, 14501), (1706, 10625), (2125, 8530), (4250, 4265)]