18372080

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7919}}^1$

素因数の和:7961

約数の個数: 40

約数和(自身を含む): 44193600

約数和(自身を除く): 25821520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 7919, 15838, 31676, 39595, 63352, 79190, 126704, 158380, 229651, 316760, 459302, 633520, 918604, 1148255, 1837208, 2296510, 3674416, 4593020, 9186040, 18372080]

約数ペア:

[(1, 18372080), (2, 9186040), (4, 4593020), (5, 3674416), (8, 2296510), (10, 1837208), (16, 1148255), (20, 918604), (29, 633520), (40, 459302), (58, 316760), (80, 229651), (116, 158380), (145, 126704), (232, 79190), (290, 63352), (464, 39595), (580, 31676), (1160, 15838), (2320, 7919)]