19981704

素因数分解:

$2^3\times 3^1\times {\mathrm{157}}^1\times {\mathrm{5303}}^1$

素因数の和:5469

約数の個数: 32

約数和(自身を含む): 50281920

約数和(自身を除く): 30300216

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 157, 314, 471, 628, 942, 1256, 1884, 3768, 5303, 10606, 15909, 21212, 31818, 42424, 63636, 127272, 832571, 1665142, 2497713, 3330284, 4995426, 6660568, 9990852, 19981704]

約数ペア:

[(1, 19981704), (2, 9990852), (3, 6660568), (4, 4995426), (6, 3330284), (8, 2497713), (12, 1665142), (24, 832571), (157, 127272), (314, 63636), (471, 42424), (628, 31818), (942, 21212), (1256, 15909), (1884, 10606), (3768, 5303)]