19081960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6719}}^1$

素因数の和:6801

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 24463640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 6719, 13438, 26876, 33595, 53752, 67190, 134380, 268760, 477049, 954098, 1908196, 2385245, 3816392, 4770490, 9540980, 19081960]

約数ペア:

[(1, 19081960), (2, 9540980), (4, 4770490), (5, 3816392), (8, 2385245), (10, 1908196), (20, 954098), (40, 477049), (71, 268760), (142, 134380), (284, 67190), (355, 53752), (568, 33595), (710, 26876), (1420, 13438), (2840, 6719)]