19473896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3533}}^1$

素因数の和:3605

約数の個数: 32

約数和(自身を含む): 40075560

約数和(自身を除く): 20601664

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 3533, 5512, 7066, 14132, 28264, 45929, 91858, 183716, 187249, 367432, 374498, 748996, 1497992, 2434237, 4868474, 9736948, 19473896]

約数ペア:

[(1, 19473896), (2, 9736948), (4, 4868474), (8, 2434237), (13, 1497992), (26, 748996), (52, 374498), (53, 367432), (104, 187249), (106, 183716), (212, 91858), (424, 45929), (689, 28264), (1378, 14132), (2756, 7066), (3533, 5512)]