17906220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3209}}^1$

素因数の和:3255

約数の個数: 72

約数和(自身を含む): 56085120

約数和(自身を除く): 38178900

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, 3209, 5580, 6418, 9627, 12836, 16045, 19254, 28881, 32090, 38508, 48135, 57762, 64180, 96270, 99479, 115524, 144405, 192540, 198958, 288810, 298437, 397916, 497395, 577620, 596874, 895311, 994790, 1193748, 1492185, 1790622, 1989580, 2984370, 3581244, 4476555, 5968740, 8953110, 17906220]

約数ペア:

[(1, 17906220), (2, 8953110), (3, 5968740), (4, 4476555), (5, 3581244), (6, 2984370), (9, 1989580), (10, 1790622), (12, 1492185), (15, 1193748), (18, 994790), (20, 895311), (30, 596874), (31, 577620), (36, 497395), (45, 397916), (60, 298437), (62, 288810), (90, 198958), (93, 192540), (124, 144405), (155, 115524), (180, 99479), (186, 96270), (279, 64180), (310, 57762), (372, 48135), (465, 38508), (558, 32090), (620, 28881), (930, 19254), (1116, 16045), (1395, 12836), (1860, 9627), (2790, 6418), (3209, 5580)]