19917362288

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{2011}}^1\times {\mathrm{9239}}^1$

素因数の和:11325

約数の個数: 40

約数和(自身を含む): 39189575040

約数和(自身を除く): 19272212752

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 2011, 4022, 8044, 9239, 16088, 18478, 32176, 36956, 73912, 134737, 147824, 269474, 538948, 619013, 1077896, 1238026, 2155792, 2476052, 4952104, 9904208, 18579629, 37159258, 74318516, 148637032, 297274064, 1244835143, 2489670286, 4979340572, 9958681144, 19917362288]

約数ペア:

[(1, 19917362288), (2, 9958681144), (4, 4979340572), (8, 2489670286), (16, 1244835143), (67, 297274064), (134, 148637032), (268, 74318516), (536, 37159258), (1072, 18579629), (2011, 9904208), (4022, 4952104), (8044, 2476052), (9239, 2155792), (16088, 1238026), (18478, 1077896), (32176, 619013), (36956, 538948), (73912, 269474), (134737, 147824)]