19183820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{3319}}^1$

素因数の和:3362

約数の個数: 36

約数和(自身を含む): 42808080

約数和(自身を除く): 23624260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 3319, 5780, 6638, 13276, 16595, 33190, 56423, 66380, 112846, 225692, 282115, 564230, 959191, 1128460, 1918382, 3836764, 4795955, 9591910, 19183820]

約数ペア:

[(1, 19183820), (2, 9591910), (4, 4795955), (5, 3836764), (10, 1918382), (17, 1128460), (20, 959191), (34, 564230), (68, 282115), (85, 225692), (170, 112846), (289, 66380), (340, 56423), (578, 33190), (1156, 16595), (1445, 13276), (2890, 6638), (3319, 5780)]