18766804

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^2\times {\mathrm{181}}^1$

素因数の和:245

約数の個数: 54

約数和(自身を含む): 40157754

約数和(自身を除く): 21390950

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 181, 196, 322, 362, 529, 644, 724, 1058, 1127, 1267, 2116, 2254, 2534, 3703, 4163, 4508, 5068, 7406, 8326, 8869, 14812, 16652, 17738, 25921, 29141, 35476, 51842, 58282, 95749, 103684, 116564, 191498, 203987, 382996, 407974, 670243, 815948, 1340486, 2680972, 4691701, 9383402, 18766804]

約数ペア:

[(1, 18766804), (2, 9383402), (4, 4691701), (7, 2680972), (14, 1340486), (23, 815948), (28, 670243), (46, 407974), (49, 382996), (92, 203987), (98, 191498), (161, 116564), (181, 103684), (196, 95749), (322, 58282), (362, 51842), (529, 35476), (644, 29141), (724, 25921), (1058, 17738), (1127, 16652), (1267, 14812), (2116, 8869), (2254, 8326), (2534, 7406), (3703, 5068), (4163, 4508)]