18914116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 18341564

約数列:

[1, 2, 4, 13, 26, 47, 52, 71, 94, 109, 142, 188, 218, 284, 436, 611, 923, 1222, 1417, 1846, 2444, 2834, 3337, 3692, 5123, 5668, 6674, 7739, 10246, 13348, 15478, 20492, 30956, 43381, 66599, 86762, 100607, 133198, 173524, 201214, 266396, 363733, 402428, 727466, 1454932, 4728529, 9457058, 18914116]

約数ペア:

[(1, 18914116), (2, 9457058), (4, 4728529), (13, 1454932), (26, 727466), (47, 402428), (52, 363733), (71, 266396), (94, 201214), (109, 173524), (142, 133198), (188, 100607), (218, 86762), (284, 66599), (436, 43381), (611, 30956), (923, 20492), (1222, 15478), (1417, 13348), (1846, 10246), (2444, 7739), (2834, 6674), (3337, 5668), (3692, 5123)]