18185220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3259}}^1$

素因数の和:3305

約数の個数: 72

約数和(自身を含む): 56958720

約数和(自身を除く): 38773500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 3259, 5580, 6518, 9777, 13036, 16295, 19554, 29331, 32590, 39108, 48885, 58662, 65180, 97770, 101029, 117324, 146655, 195540, 202058, 293310, 303087, 404116, 505145, 586620, 606174, 909261, 1010290, 1212348, 1515435, 1818522, 2020580, 3030870, 3637044, 4546305, 6061740, 9092610, 18185220]

約数ペア:

[(1, 18185220), (2, 9092610), (3, 6061740), (4, 4546305), (5, 3637044), (6, 3030870), (9, 2020580), (10, 1818522), (12, 1515435), (15, 1212348), (18, 1010290), (20, 909261), (30, 606174), (31, 586620), (36, 505145), (45, 404116), (60, 303087), (62, 293310), (90, 202058), (93, 195540), (124, 146655), (155, 117324), (180, 101029), (186, 97770), (279, 65180), (310, 58662), (372, 48885), (465, 39108), (558, 32590), (620, 29331), (930, 19554), (1116, 16295), (1395, 13036), (1860, 9777), (2790, 6518), (3259, 5580)]