18667890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6691}}^1$

素因数の和:6735

約数の個数: 48

約数和(自身を含む): 50109696

約数和(自身を除く): 31441806

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 6691, 13382, 20073, 33455, 40146, 60219, 66910, 100365, 120438, 200730, 207421, 301095, 414842, 602190, 622263, 1037105, 1244526, 1866789, 2074210, 3111315, 3733578, 6222630, 9333945, 18667890]

約数ペア:

[(1, 18667890), (2, 9333945), (3, 6222630), (5, 3733578), (6, 3111315), (9, 2074210), (10, 1866789), (15, 1244526), (18, 1037105), (30, 622263), (31, 602190), (45, 414842), (62, 301095), (90, 207421), (93, 200730), (155, 120438), (186, 100365), (279, 66910), (310, 60219), (465, 40146), (558, 33455), (930, 20073), (1395, 13382), (2790, 6691)]