19694896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{94687}}^1$

素因数の和:94708

約数の個数: 20

約数和(自身を含む): 41094592

約数和(自身を除く): 21399696

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 94687, 189374, 378748, 757496, 1230931, 1514992, 2461862, 4923724, 9847448, 19694896]

約数ペア:

[(1, 19694896), (2, 9847448), (4, 4923724), (8, 2461862), (13, 1514992), (16, 1230931), (26, 757496), (52, 378748), (104, 189374), (208, 94687)]