1911520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{919}}^1$

素因数の和:947

約数の個数: 48

約数和(自身を含む): 4868640

約数和(自身を除く): 2957120

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, 919, 1040, 1838, 2080, 3676, 4595, 7352, 9190, 11947, 14704, 18380, 23894, 29408, 36760, 47788, 59735, 73520, 95576, 119470, 147040, 191152, 238940, 382304, 477880, 955760, 1911520]

約数ペア:

[(1, 1911520), (2, 955760), (4, 477880), (5, 382304), (8, 238940), (10, 191152), (13, 147040), (16, 119470), (20, 95576), (26, 73520), (32, 59735), (40, 47788), (52, 36760), (65, 29408), (80, 23894), (104, 18380), (130, 14704), (160, 11947), (208, 9190), (260, 7352), (416, 4595), (520, 3676), (919, 2080), (1040, 1838)]