18538135

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{269}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 27993600

約数和(自身を除く): 9455465

約数列:

[1, 5, 7, 11, 35, 55, 77, 179, 269, 385, 895, 1253, 1345, 1883, 1969, 2959, 6265, 9415, 9845, 13783, 14795, 20713, 48151, 68915, 103565, 240755, 337057, 529661, 1685285, 2648305, 3707627, 18538135]

約数ペア:

[(1, 18538135), (5, 3707627), (7, 2648305), (11, 1685285), (35, 529661), (55, 337057), (77, 240755), (179, 103565), (269, 68915), (385, 48151), (895, 20713), (1253, 14795), (1345, 13783), (1883, 9845), (1969, 9415), (2959, 6265)]