18970538

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{1427}}^1$

素因数の和:1486

約数の個数: 24

約数和(自身を含む): 31564512

約数和(自身を除く): 12593974

約数列:

[1, 2, 17, 23, 34, 46, 289, 391, 578, 782, 1427, 2854, 6647, 13294, 24259, 32821, 48518, 65642, 412403, 557957, 824806, 1115914, 9485269, 18970538]

約数ペア:

[(1, 18970538), (2, 9485269), (17, 1115914), (23, 824806), (34, 557957), (46, 412403), (289, 65642), (391, 48518), (578, 32821), (782, 24259), (1427, 13294), (2854, 6647)]