18968056

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{661}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 37892880

約数和(自身を除く): 18924824

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 211, 422, 661, 844, 1322, 1688, 2644, 3587, 5288, 7174, 11237, 14348, 22474, 28696, 44948, 89896, 139471, 278942, 557884, 1115768, 2371007, 4742014, 9484028, 18968056]

約数ペア:

[(1, 18968056), (2, 9484028), (4, 4742014), (8, 2371007), (17, 1115768), (34, 557884), (68, 278942), (136, 139471), (211, 89896), (422, 44948), (661, 28696), (844, 22474), (1322, 14348), (1688, 11237), (2644, 7174), (3587, 5288)]