19726772

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{10253}}^1$

素因数の和:10307

約数の個数: 24

約数和(自身を含む): 38185896

約数和(自身を除く): 18459124

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 10253, 20506, 41012, 133289, 266578, 379361, 533156, 758722, 1517444, 4931693, 9863386, 19726772]

約数ペア:

[(1, 19726772), (2, 9863386), (4, 4931693), (13, 1517444), (26, 758722), (37, 533156), (52, 379361), (74, 266578), (148, 133289), (481, 41012), (962, 20506), (1924, 10253)]