19315816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2351}}^1$

素因数の和:2449

約数の個数: 32

約数和(自身を含む): 39513600

約数和(自身を除く): 20197784

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 316, 632, 1027, 2054, 2351, 4108, 4702, 8216, 9404, 18808, 30563, 61126, 122252, 185729, 244504, 371458, 742916, 1485832, 2414477, 4828954, 9657908, 19315816]

約数ペア:

[(1, 19315816), (2, 9657908), (4, 4828954), (8, 2414477), (13, 1485832), (26, 742916), (52, 371458), (79, 244504), (104, 185729), (158, 122252), (316, 61126), (632, 30563), (1027, 18808), (2054, 9404), (2351, 8216), (4108, 4702)]