19491160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37483}}^1$

素因数の和:37507

約数の個数: 32

約数和(自身を含む): 47229840

約数和(自身を除く): 27738680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 37483, 74966, 149932, 187415, 299864, 374830, 487279, 749660, 974558, 1499320, 1949116, 2436395, 3898232, 4872790, 9745580, 19491160]

約数ペア:

[(1, 19491160), (2, 9745580), (4, 4872790), (5, 3898232), (8, 2436395), (10, 1949116), (13, 1499320), (20, 974558), (26, 749660), (40, 487279), (52, 374830), (65, 299864), (104, 187415), (130, 149932), (260, 74966), (520, 37483)]