19805434

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1$

素因数の和:918

約数の個数: 32

約数和(自身を含む): 34473600

約数和(自身を除く): 14668166

約数列:

[1, 2, 11, 22, 29, 37, 58, 74, 319, 407, 638, 814, 839, 1073, 1678, 2146, 9229, 11803, 18458, 23606, 24331, 31043, 48662, 62086, 267641, 341473, 535282, 682946, 900247, 1800494, 9902717, 19805434]

約数ペア:

[(1, 19805434), (2, 9902717), (11, 1800494), (22, 900247), (29, 682946), (37, 535282), (58, 341473), (74, 267641), (319, 62086), (407, 48662), (638, 31043), (814, 24331), (839, 23606), (1073, 18458), (1678, 11803), (2146, 9229)]