19075880

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^2\times {\mathrm{137}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 43979220

約数和(自身を除く): 24903340

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 137, 236, 274, 295, 472, 548, 590, 685, 1096, 1180, 1370, 2360, 2740, 3481, 5480, 6962, 8083, 13924, 16166, 17405, 27848, 32332, 34810, 40415, 64664, 69620, 80830, 139240, 161660, 323320, 476897, 953794, 1907588, 2384485, 3815176, 4768970, 9537940, 19075880]

約数ペア:

[(1, 19075880), (2, 9537940), (4, 4768970), (5, 3815176), (8, 2384485), (10, 1907588), (20, 953794), (40, 476897), (59, 323320), (118, 161660), (137, 139240), (236, 80830), (274, 69620), (295, 64664), (472, 40415), (548, 34810), (590, 32332), (685, 27848), (1096, 17405), (1180, 16166), (1370, 13924), (2360, 8083), (2740, 6962), (3481, 5480)]