18967478

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1\times {\mathrm{977}}^1$

素因数の和:1567

約数の個数: 16

約数和(自身を含む): 30208464

約数和(自身を除く): 11240986

約数列:

[1, 2, 17, 34, 571, 977, 1142, 1954, 9707, 16609, 19414, 33218, 557867, 1115734, 9483739, 18967478]

約数ペア:

[(1, 18967478), (2, 9483739), (17, 1115734), (34, 557867), (571, 33218), (977, 19414), (1142, 16609), (1954, 9707)]