19989592

素因数分解:

$2^3\times 7^1\times {\mathrm{491}}^1\times {\mathrm{727}}^1$

素因数の和:1231

約数の個数: 32

約数和(自身を含む): 42981120

約数和(自身を除く): 22991528

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 491, 727, 982, 1454, 1964, 2908, 3437, 3928, 5089, 5816, 6874, 10178, 13748, 20356, 27496, 40712, 356957, 713914, 1427828, 2498699, 2855656, 4997398, 9994796, 19989592]

約数ペア:

[(1, 19989592), (2, 9994796), (4, 4997398), (7, 2855656), (8, 2498699), (14, 1427828), (28, 713914), (56, 356957), (491, 40712), (727, 27496), (982, 20356), (1454, 13748), (1964, 10178), (2908, 6874), (3437, 5816), (3928, 5089)]