18492080

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2383}}^1$

素因数の和:2493

約数の個数: 40

約数和(自身を含む): 43455552

約数和(自身を除く): 24963472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 2383, 3880, 4766, 7760, 9532, 11915, 19064, 23830, 38128, 47660, 95320, 190640, 231151, 462302, 924604, 1155755, 1849208, 2311510, 3698416, 4623020, 9246040, 18492080]

約数ペア:

[(1, 18492080), (2, 9246040), (4, 4623020), (5, 3698416), (8, 2311510), (10, 1849208), (16, 1155755), (20, 924604), (40, 462302), (80, 231151), (97, 190640), (194, 95320), (388, 47660), (485, 38128), (776, 23830), (970, 19064), (1552, 11915), (1940, 9532), (2383, 7760), (3880, 4766)]