18287470

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{599}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 15926930

約数列:

[1, 2, 5, 10, 43, 71, 86, 142, 215, 355, 430, 599, 710, 1198, 2995, 3053, 5990, 6106, 15265, 25757, 30530, 42529, 51514, 85058, 128785, 212645, 257570, 425290, 1828747, 3657494, 9143735, 18287470]

約数ペア:

[(1, 18287470), (2, 9143735), (5, 3657494), (10, 1828747), (43, 425290), (71, 257570), (86, 212645), (142, 128785), (215, 85058), (355, 51514), (430, 42529), (599, 30530), (710, 25757), (1198, 15265), (2995, 6106), (3053, 5990)]