18485896

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{113}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 41619690

約数和(自身を除く): 23133794

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 113, 121, 143, 169, 226, 242, 286, 338, 452, 484, 572, 676, 904, 968, 1144, 1243, 1352, 1469, 1573, 1859, 2486, 2938, 3146, 3718, 4972, 5876, 6292, 7436, 9944, 11752, 12584, 13673, 14872, 16159, 19097, 20449, 27346, 32318, 38194, 40898, 54692, 64636, 76388, 81796, 109384, 129272, 152776, 163592, 177749, 210067, 355498, 420134, 710996, 840268, 1421992, 1680536, 2310737, 4621474, 9242948, 18485896]

約数ペア:

[(1, 18485896), (2, 9242948), (4, 4621474), (8, 2310737), (11, 1680536), (13, 1421992), (22, 840268), (26, 710996), (44, 420134), (52, 355498), (88, 210067), (104, 177749), (113, 163592), (121, 152776), (143, 129272), (169, 109384), (226, 81796), (242, 76388), (286, 64636), (338, 54692), (452, 40898), (484, 38194), (572, 32318), (676, 27346), (904, 20449), (968, 19097), (1144, 16159), (1243, 14872), (1352, 13673), (1469, 12584), (1573, 11752), (1859, 9944), (2486, 7436), (2938, 6292), (3146, 5876), (3718, 4972)]