18723716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 37340352

約数和(自身を除く): 18616636

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 97, 107, 164, 194, 214, 388, 428, 451, 902, 1067, 1177, 1804, 2134, 2354, 3977, 4268, 4387, 4708, 7954, 8774, 10379, 15908, 17548, 20758, 41516, 43747, 48257, 87494, 96514, 114169, 174988, 193028, 228338, 425539, 456676, 851078, 1702156, 4680929, 9361858, 18723716]

約数ペア:

[(1, 18723716), (2, 9361858), (4, 4680929), (11, 1702156), (22, 851078), (41, 456676), (44, 425539), (82, 228338), (97, 193028), (107, 174988), (164, 114169), (194, 96514), (214, 87494), (388, 48257), (428, 43747), (451, 41516), (902, 20758), (1067, 17548), (1177, 15908), (1804, 10379), (2134, 8774), (2354, 7954), (3977, 4708), (4268, 4387)]