19209460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{30983}}^1$

素因数の和:31023

約数の個数: 24

約数和(自身を含む): 41642496

約数和(自身を除く): 22433036

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 30983, 61966, 123932, 154915, 309830, 619660, 960473, 1920946, 3841892, 4802365, 9604730, 19209460]

約数ペア:

[(1, 19209460), (2, 9604730), (4, 4802365), (5, 3841892), (10, 1920946), (20, 960473), (31, 619660), (62, 309830), (124, 154915), (155, 123932), (310, 61966), (620, 30983)]