18971116

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{16411}}^1$

素因数の和:16449

約数の個数: 18

約数和(自身を含む): 35269388

約数和(自身を除く): 16298272

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 16411, 32822, 65644, 278987, 557974, 1115948, 4742779, 9485558, 18971116]

約数ペア:

[(1, 18971116), (2, 9485558), (4, 4742779), (17, 1115948), (34, 557974), (68, 278987), (289, 65644), (578, 32822), (1156, 16411)]