19157416

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1061}}^1$

素因数の和:1165

約数の個数: 32

約数和(自身を含む): 37531080

約数和(自身を除く): 18373664

約数列:

[1, 2, 4, 8, 37, 61, 74, 122, 148, 244, 296, 488, 1061, 2122, 2257, 4244, 4514, 8488, 9028, 18056, 39257, 64721, 78514, 129442, 157028, 258884, 314056, 517768, 2394677, 4789354, 9578708, 19157416]

約数ペア:

[(1, 19157416), (2, 9578708), (4, 4789354), (8, 2394677), (37, 517768), (61, 314056), (74, 258884), (122, 157028), (148, 129442), (244, 78514), (296, 64721), (488, 39257), (1061, 18056), (2122, 9028), (2257, 8488), (4244, 4514)]