19690424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{3209}}^1$

素因数の和:3287

約数の個数: 32

約数和(自身を含む): 40446000

約数和(自身を除く): 20755576

約数列:

[1, 2, 4, 8, 13, 26, 52, 59, 104, 118, 236, 472, 767, 1534, 3068, 3209, 6136, 6418, 12836, 25672, 41717, 83434, 166868, 189331, 333736, 378662, 757324, 1514648, 2461303, 4922606, 9845212, 19690424]

約数ペア:

[(1, 19690424), (2, 9845212), (4, 4922606), (8, 2461303), (13, 1514648), (26, 757324), (52, 378662), (59, 333736), (104, 189331), (118, 166868), (236, 83434), (472, 41717), (767, 25672), (1534, 12836), (3068, 6418), (3209, 6136)]