18111730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1531}}^1$

素因数の和:1571

約数の個数: 48

約数和(自身を含む): 40371264

約数和(自身を除く): 22259534

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 169, 182, 338, 455, 845, 910, 1183, 1531, 1690, 2366, 3062, 5915, 7655, 10717, 11830, 15310, 19903, 21434, 39806, 53585, 99515, 107170, 139321, 199030, 258739, 278642, 517478, 696605, 1293695, 1393210, 1811173, 2587390, 3622346, 9055865, 18111730]

約数ペア:

[(1, 18111730), (2, 9055865), (5, 3622346), (7, 2587390), (10, 1811173), (13, 1393210), (14, 1293695), (26, 696605), (35, 517478), (65, 278642), (70, 258739), (91, 199030), (130, 139321), (169, 107170), (182, 99515), (338, 53585), (455, 39806), (845, 21434), (910, 19903), (1183, 15310), (1531, 11830), (1690, 10717), (2366, 7655), (3062, 5915)]