19484860

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{1579}}^1$

素因数の和:2205

約数の個数: 24

約数和(自身を含む): 41010480

約数和(自身を除く): 21525620

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 1579, 2468, 3085, 3158, 6170, 6316, 7895, 12340, 15790, 31580, 974243, 1948486, 3896972, 4871215, 9742430, 19484860]

約数ペア:

[(1, 19484860), (2, 9742430), (4, 4871215), (5, 3896972), (10, 1948486), (20, 974243), (617, 31580), (1234, 15790), (1579, 12340), (2468, 7895), (3085, 6316), (3158, 6170)]