18231931870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{727241}}^1$

素因数の和:727380

約数の個数: 32

約数和(自身を含む): 34558539840

約数和(自身を除く): 16326607970

約数列:

[1, 2, 5, 10, 23, 46, 109, 115, 218, 230, 545, 1090, 2507, 5014, 12535, 25070, 727241, 1454482, 3636205, 7272410, 16726543, 33453086, 79269269, 83632715, 158538538, 167265430, 396346345, 792692690, 1823193187, 3646386374, 9115965935, 18231931870]

約数ペア:

[(1, 18231931870), (2, 9115965935), (5, 3646386374), (10, 1823193187), (23, 792692690), (46, 396346345), (109, 167265430), (115, 158538538), (218, 83632715), (230, 79269269), (545, 33453086), (1090, 16726543), (2507, 7272410), (5014, 3636205), (12535, 1454482), (25070, 727241)]