19291376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{569}}^1$

素因数の和:753

約数の個数: 40

約数和(自身を含む): 40570320

約数和(自身を除く): 21278944

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 163, 208, 326, 569, 652, 1138, 1304, 2119, 2276, 2608, 4238, 4552, 7397, 8476, 9104, 14794, 16952, 29588, 33904, 59176, 92747, 118352, 185494, 370988, 741976, 1205711, 1483952, 2411422, 4822844, 9645688, 19291376]

約数ペア:

[(1, 19291376), (2, 9645688), (4, 4822844), (8, 2411422), (13, 1483952), (16, 1205711), (26, 741976), (52, 370988), (104, 185494), (163, 118352), (208, 92747), (326, 59176), (569, 33904), (652, 29588), (1138, 16952), (1304, 14794), (2119, 9104), (2276, 8476), (2608, 7397), (4238, 4552)]