17919540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{881}}^1$

素因数の和:1009

約数の個数: 72

約数和(自身を含む): 54899208

約数和(自身を除く): 36979668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 113, 180, 226, 339, 452, 565, 678, 881, 1017, 1130, 1356, 1695, 1762, 2034, 2260, 2643, 3390, 3524, 4068, 4405, 5085, 5286, 6780, 7929, 8810, 10170, 10572, 13215, 15858, 17620, 20340, 26430, 31716, 39645, 52860, 79290, 99553, 158580, 199106, 298659, 398212, 497765, 597318, 895977, 995530, 1194636, 1493295, 1791954, 1991060, 2986590, 3583908, 4479885, 5973180, 8959770, 17919540]

約数ペア:

[(1, 17919540), (2, 8959770), (3, 5973180), (4, 4479885), (5, 3583908), (6, 2986590), (9, 1991060), (10, 1791954), (12, 1493295), (15, 1194636), (18, 995530), (20, 895977), (30, 597318), (36, 497765), (45, 398212), (60, 298659), (90, 199106), (113, 158580), (180, 99553), (226, 79290), (339, 52860), (452, 39645), (565, 31716), (678, 26430), (881, 20340), (1017, 17620), (1130, 15858), (1356, 13215), (1695, 10572), (1762, 10170), (2034, 8810), (2260, 7929), (2643, 6780), (3390, 5286), (3524, 5085), (4068, 4405)]