17850380

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{6421}}^1$

素因数の和:6569

約数の個数: 24

約数和(自身を含む): 37761360

約数和(自身を除く): 19910980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 6421, 12842, 25684, 32105, 64210, 128420, 892519, 1785038, 3570076, 4462595, 8925190, 17850380]

約数ペア:

[(1, 17850380), (2, 8925190), (4, 4462595), (5, 3570076), (10, 1785038), (20, 892519), (139, 128420), (278, 64210), (556, 32105), (695, 25684), (1390, 12842), (2780, 6421)]