13259986

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{9431}}^1$

素因数の和:9489

約数の個数: 16

約数和(自身を含む): 21504960

約数和(自身を除く): 8244974

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 9431, 18862, 179189, 348947, 358378, 697894, 6629993, 13259986]

約数ペア:

[(1, 13259986), (2, 6629993), (19, 697894), (37, 358378), (38, 348947), (74, 179189), (703, 18862), (1406, 9431)]