18839678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3467}}^1$

素因数の和:3512

約数の個数: 32

約数和(自身を含む): 34957440

約数和(自身を除く): 16117762

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 143, 209, 247, 286, 418, 494, 2717, 3467, 5434, 6934, 38137, 45071, 65873, 76274, 90142, 131746, 495781, 724603, 856349, 991562, 1449206, 1712698, 9419839, 18839678]

約数ペア:

[(1, 18839678), (2, 9419839), (11, 1712698), (13, 1449206), (19, 991562), (22, 856349), (26, 724603), (38, 495781), (143, 131746), (209, 90142), (247, 76274), (286, 65873), (418, 45071), (494, 38137), (2717, 6934), (3467, 5434)]