19595680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9421}}^1$

素因数の和:9449

約数の個数: 48

約数和(自身を含む): 49861224

約数和(自身を除く): 30265544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 9421, 18842, 37684, 47105, 75368, 94210, 122473, 150736, 188420, 244946, 301472, 376840, 489892, 612365, 753680, 979784, 1224730, 1507360, 1959568, 2449460, 3919136, 4898920, 9797840, 19595680]

約数ペア:

[(1, 19595680), (2, 9797840), (4, 4898920), (5, 3919136), (8, 2449460), (10, 1959568), (13, 1507360), (16, 1224730), (20, 979784), (26, 753680), (32, 612365), (40, 489892), (52, 376840), (65, 301472), (80, 244946), (104, 188420), (130, 150736), (160, 122473), (208, 94210), (260, 75368), (416, 47105), (520, 37684), (1040, 18842), (2080, 9421)]