18185920

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3343}}^1$

素因数の和:3377

約数の個数: 56

約数和(自身を含む): 45866304

約数和(自身を除く): 27680384

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 3343, 5440, 6686, 13372, 16715, 26744, 33430, 53488, 56831, 66860, 106976, 113662, 133720, 213952, 227324, 267440, 284155, 454648, 534880, 568310, 909296, 1069760, 1136620, 1818592, 2273240, 3637184, 4546480, 9092960, 18185920]

約数ペア:

[(1, 18185920), (2, 9092960), (4, 4546480), (5, 3637184), (8, 2273240), (10, 1818592), (16, 1136620), (17, 1069760), (20, 909296), (32, 568310), (34, 534880), (40, 454648), (64, 284155), (68, 267440), (80, 227324), (85, 213952), (136, 133720), (160, 113662), (170, 106976), (272, 66860), (320, 56831), (340, 53488), (544, 33430), (680, 26744), (1088, 16715), (1360, 13372), (2720, 6686), (3343, 5440)]