19908408

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{63809}}^1$

素因数の和:63831

約数の個数: 32

約数和(自身を含む): 53600400

約数和(自身を除く): 33691992

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 63809, 127618, 191427, 255236, 382854, 510472, 765708, 829517, 1531416, 1659034, 2488551, 3318068, 4977102, 6636136, 9954204, 19908408]

約数ペア:

[(1, 19908408), (2, 9954204), (3, 6636136), (4, 4977102), (6, 3318068), (8, 2488551), (12, 1659034), (13, 1531416), (24, 829517), (26, 765708), (39, 510472), (52, 382854), (78, 255236), (104, 191427), (156, 127618), (312, 63809)]