18007250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 37739520

約数和(自身を除く): 19732270

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 125, 170, 190, 223, 250, 323, 425, 446, 475, 646, 850, 950, 1115, 1615, 2125, 2230, 2375, 3230, 3791, 4237, 4250, 4750, 5575, 7582, 8075, 8474, 11150, 16150, 18955, 21185, 27875, 37910, 40375, 42370, 55750, 72029, 80750, 94775, 105925, 144058, 189550, 211850, 360145, 473875, 529625, 720290, 947750, 1059250, 1800725, 3601450, 9003625, 18007250]

約数ペア:

[(1, 18007250), (2, 9003625), (5, 3601450), (10, 1800725), (17, 1059250), (19, 947750), (25, 720290), (34, 529625), (38, 473875), (50, 360145), (85, 211850), (95, 189550), (125, 144058), (170, 105925), (190, 94775), (223, 80750), (250, 72029), (323, 55750), (425, 42370), (446, 40375), (475, 37910), (646, 27875), (850, 21185), (950, 18955), (1115, 16150), (1615, 11150), (2125, 8474), (2230, 8075), (2375, 7582), (3230, 5575), (3791, 4750), (4237, 4250)]