18988890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5807}}^1$

素因数の和:5926

約数の個数: 32

約数和(自身を含む): 45999360

約数和(自身を除く): 27010470

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 109, 218, 327, 545, 654, 1090, 1635, 3270, 5807, 11614, 17421, 29035, 34842, 58070, 87105, 174210, 632963, 1265926, 1898889, 3164815, 3797778, 6329630, 9494445, 18988890]

約数ペア:

[(1, 18988890), (2, 9494445), (3, 6329630), (5, 3797778), (6, 3164815), (10, 1898889), (15, 1265926), (30, 632963), (109, 174210), (218, 87105), (327, 58070), (545, 34842), (654, 29035), (1090, 17421), (1635, 11614), (3270, 5807)]