19501940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12343}}^1$

素因数の和:12431

約数の個数: 24

約数和(自身を含む): 41475840

約数和(自身を除く): 21973900

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 12343, 24686, 49372, 61715, 123430, 246860, 975097, 1950194, 3900388, 4875485, 9750970, 19501940]

約数ペア:

[(1, 19501940), (2, 9750970), (4, 4875485), (5, 3900388), (10, 1950194), (20, 975097), (79, 246860), (158, 123430), (316, 61715), (395, 49372), (790, 24686), (1580, 12343)]