18354950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^2$

素因数の和:309

約数の個数: 36

約数和(自身を含む): 36197460

約数和(自身を除く): 17842510

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 139, 190, 278, 475, 695, 950, 1390, 2641, 3475, 5282, 6950, 13205, 19321, 26410, 38642, 66025, 96605, 132050, 193210, 367099, 483025, 734198, 966050, 1835495, 3670990, 9177475, 18354950]

約数ペア:

[(1, 18354950), (2, 9177475), (5, 3670990), (10, 1835495), (19, 966050), (25, 734198), (38, 483025), (50, 367099), (95, 193210), (139, 132050), (190, 96605), (278, 66025), (475, 38642), (695, 26410), (950, 19321), (1390, 13205), (2641, 6950), (3475, 5282)]