18848739

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 32044032

約数和(自身を除く): 13195293

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 113, 141, 169, 273, 329, 339, 507, 611, 791, 987, 1183, 1469, 1833, 2373, 3549, 4277, 4407, 5311, 7943, 10283, 12831, 15933, 19097, 23829, 30849, 37177, 55601, 57291, 69043, 111531, 133679, 166803, 207129, 401037, 483301, 897559, 1449903, 2692677, 6282913, 18848739]

約数ペア:

[(1, 18848739), (3, 6282913), (7, 2692677), (13, 1449903), (21, 897559), (39, 483301), (47, 401037), (91, 207129), (113, 166803), (141, 133679), (169, 111531), (273, 69043), (329, 57291), (339, 55601), (507, 37177), (611, 30849), (791, 23829), (987, 19097), (1183, 15933), (1469, 12831), (1833, 10283), (2373, 7943), (3549, 5311), (4277, 4407)]