18789470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3677}}^1$

素因数の和:3764

約数の個数: 32

約数和(自身を含む): 39192768

約数和(自身を除く): 20403298

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 511, 730, 1022, 2555, 3677, 5110, 7354, 18385, 25739, 36770, 51478, 128695, 257390, 268421, 536842, 1342105, 1878947, 2684210, 3757894, 9394735, 18789470]

約数ペア:

[(1, 18789470), (2, 9394735), (5, 3757894), (7, 2684210), (10, 1878947), (14, 1342105), (35, 536842), (70, 268421), (73, 257390), (146, 128695), (365, 51478), (511, 36770), (730, 25739), (1022, 18385), (2555, 7354), (3677, 5110)]