19223908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{6521}}^1$

素因数の和:6603

約数の個数: 24

約数和(自身を含む): 37253664

約数和(自身を除く): 18029756

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 737, 1474, 2948, 6521, 13042, 26084, 71731, 143462, 286924, 436907, 873814, 1747628, 4805977, 9611954, 19223908]

約数ペア:

[(1, 19223908), (2, 9611954), (4, 4805977), (11, 1747628), (22, 873814), (44, 436907), (67, 286924), (134, 143462), (268, 71731), (737, 26084), (1474, 13042), (2948, 6521)]