18543050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:311

約数の個数: 48

約数和(自身を含む): 36828000

約数和(自身を除く): 18284950

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 131, 149, 190, 262, 298, 475, 655, 745, 950, 1310, 1490, 2489, 2831, 3275, 3725, 4978, 5662, 6550, 7450, 12445, 14155, 19519, 24890, 28310, 39038, 62225, 70775, 97595, 124450, 141550, 195190, 370861, 487975, 741722, 975950, 1854305, 3708610, 9271525, 18543050]

約数ペア:

[(1, 18543050), (2, 9271525), (5, 3708610), (10, 1854305), (19, 975950), (25, 741722), (38, 487975), (50, 370861), (95, 195190), (131, 141550), (149, 124450), (190, 97595), (262, 70775), (298, 62225), (475, 39038), (655, 28310), (745, 24890), (950, 19519), (1310, 14155), (1490, 12445), (2489, 7450), (2831, 6550), (3275, 5662), (3725, 4978)]