18775770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1553}}^1$

素因数の和:1607

約数の個数: 64

約数和(自身を含む): 50125824

約数和(自身を除く): 31350054

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 1553, 2015, 2418, 3106, 4030, 4659, 6045, 7765, 9318, 12090, 15530, 20189, 23295, 40378, 46590, 48143, 60567, 96286, 100945, 121134, 144429, 201890, 240715, 288858, 302835, 481430, 605670, 625859, 722145, 1251718, 1444290, 1877577, 3129295, 3755154, 6258590, 9387885, 18775770]

約数ペア:

[(1, 18775770), (2, 9387885), (3, 6258590), (5, 3755154), (6, 3129295), (10, 1877577), (13, 1444290), (15, 1251718), (26, 722145), (30, 625859), (31, 605670), (39, 481430), (62, 302835), (65, 288858), (78, 240715), (93, 201890), (130, 144429), (155, 121134), (186, 100945), (195, 96286), (310, 60567), (390, 48143), (403, 46590), (465, 40378), (806, 23295), (930, 20189), (1209, 15530), (1553, 12090), (2015, 9318), (2418, 7765), (3106, 6045), (4030, 4659)]