18499624

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 41408640

約数和(自身を除く): 22909016

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 103, 104, 143, 157, 206, 286, 314, 412, 572, 628, 824, 1133, 1144, 1256, 1339, 1727, 2041, 2266, 2678, 3454, 4082, 4532, 5356, 6908, 8164, 9064, 10712, 13816, 14729, 16171, 16328, 22451, 29458, 32342, 44902, 58916, 64684, 89804, 117832, 129368, 177881, 179608, 210223, 355762, 420446, 711524, 840892, 1423048, 1681784, 2312453, 4624906, 9249812, 18499624]

約数ペア:

[(1, 18499624), (2, 9249812), (4, 4624906), (8, 2312453), (11, 1681784), (13, 1423048), (22, 840892), (26, 711524), (44, 420446), (52, 355762), (88, 210223), (103, 179608), (104, 177881), (143, 129368), (157, 117832), (206, 89804), (286, 64684), (314, 58916), (412, 44902), (572, 32342), (628, 29458), (824, 22451), (1133, 16328), (1144, 16171), (1256, 14729), (1339, 13816), (1727, 10712), (2041, 9064), (2266, 8164), (2678, 6908), (3454, 5356), (4082, 4532)]