2018427980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3255529}}^1$

素因数の和:3255569

約数の個数: 24

約数和(自身を含む): 4375432320

約数和(自身を除く): 2357004340

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3255529, 6511058, 13022116, 16277645, 32555290, 65110580, 100921399, 201842798, 403685596, 504606995, 1009213990, 2018427980]

約数ペア:

[(1, 2018427980), (2, 1009213990), (4, 504606995), (5, 403685596), (10, 201842798), (20, 100921399), (31, 65110580), (62, 32555290), (124, 16277645), (155, 13022116), (310, 6511058), (620, 3255529)]