20171888914

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1861}}^1\times {\mathrm{2213}}^1$

素因数の和:4186

約数の個数: 32

約数和(自身を含む): 31660554240

約数和(自身を除く): 11488665326

約数列:

[1, 2, 31, 62, 79, 158, 1861, 2213, 2449, 3722, 4426, 4898, 57691, 68603, 115382, 137206, 147019, 174827, 294038, 349654, 4118393, 4557589, 5419637, 8236786, 9115178, 10839274, 127670183, 255340366, 325353047, 650706094, 10085944457, 20171888914]

約数ペア:

[(1, 20171888914), (2, 10085944457), (31, 650706094), (62, 325353047), (79, 255340366), (158, 127670183), (1861, 10839274), (2213, 9115178), (2449, 8236786), (3722, 5419637), (4426, 4557589), (4898, 4118393), (57691, 349654), (68603, 294038), (115382, 174827), (137206, 147019)]