19636972

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{16987}}^1$

素因数の和:17025

約数の個数: 18

約数和(自身を含む): 36507212

約数和(自身を除く): 16870240

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 16987, 33974, 67948, 288779, 577558, 1155116, 4909243, 9818486, 19636972]

約数ペア:

[(1, 19636972), (2, 9818486), (4, 4909243), (17, 1155116), (34, 577558), (68, 288779), (289, 67948), (578, 33974), (1156, 16987)]