19757452

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2657}}^1$

素因数の和:2698

約数の個数: 36

約数和(自身を含む): 40858776

約数和(自身を除く): 21101324

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 169, 286, 338, 572, 676, 1859, 2657, 3718, 5314, 7436, 10628, 29227, 34541, 58454, 69082, 116908, 138164, 379951, 449033, 759902, 898066, 1519804, 1796132, 4939363, 9878726, 19757452]

約数ペア:

[(1, 19757452), (2, 9878726), (4, 4939363), (11, 1796132), (13, 1519804), (22, 898066), (26, 759902), (44, 449033), (52, 379951), (143, 138164), (169, 116908), (286, 69082), (338, 58454), (572, 34541), (676, 29227), (1859, 10628), (2657, 7436), (3718, 5314)]