18815316

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4159}}^1$

素因数の和:4208

約数の個数: 48

約数和(自身を含む): 48921600

約数和(自身を除く): 30106284

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 78, 87, 116, 156, 174, 348, 377, 754, 1131, 1508, 2262, 4159, 4524, 8318, 12477, 16636, 24954, 49908, 54067, 108134, 120611, 162201, 216268, 241222, 324402, 361833, 482444, 648804, 723666, 1447332, 1567943, 3135886, 4703829, 6271772, 9407658, 18815316]

約数ペア:

[(1, 18815316), (2, 9407658), (3, 6271772), (4, 4703829), (6, 3135886), (12, 1567943), (13, 1447332), (26, 723666), (29, 648804), (39, 482444), (52, 361833), (58, 324402), (78, 241222), (87, 216268), (116, 162201), (156, 120611), (174, 108134), (348, 54067), (377, 49908), (754, 24954), (1131, 16636), (1508, 12477), (2262, 8318), (4159, 4524)]