18245403

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 31370976

約数和(自身を除く): 13125573

約数列:

[1, 3, 9, 11, 17, 33, 37, 51, 99, 111, 153, 187, 293, 333, 407, 561, 629, 879, 1221, 1683, 1887, 2637, 3223, 3663, 4981, 5661, 6919, 9669, 10841, 14943, 20757, 29007, 32523, 44829, 54791, 62271, 97569, 119251, 164373, 184297, 357753, 493119, 552891, 1073259, 1658673, 2027267, 6081801, 18245403]

約数ペア:

[(1, 18245403), (3, 6081801), (9, 2027267), (11, 1658673), (17, 1073259), (33, 552891), (37, 493119), (51, 357753), (99, 184297), (111, 164373), (153, 119251), (187, 97569), (293, 62271), (333, 54791), (407, 44829), (561, 32523), (629, 29007), (879, 20757), (1221, 14943), (1683, 10841), (1887, 9669), (2637, 6919), (3223, 5661), (3663, 4981)]