19499376

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31249}}^1$

素因数の和:31273

約数の個数: 40

約数和(自身を含む): 54250000

約数和(自身を除く): 34750624

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 31249, 62498, 93747, 124996, 187494, 249992, 374988, 406237, 499984, 749976, 812474, 1218711, 1499952, 1624948, 2437422, 3249896, 4874844, 6499792, 9749688, 19499376]

約数ペア:

[(1, 19499376), (2, 9749688), (3, 6499792), (4, 4874844), (6, 3249896), (8, 2437422), (12, 1624948), (13, 1499952), (16, 1218711), (24, 812474), (26, 749976), (39, 499984), (48, 406237), (52, 374988), (78, 249992), (104, 187494), (156, 124996), (208, 93747), (312, 62498), (624, 31249)]