18709340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{317}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 42632352

約数和(自身を除く): 23923012

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 227, 260, 317, 454, 634, 908, 1135, 1268, 1585, 2270, 2951, 3170, 4121, 4540, 5902, 6340, 8242, 11804, 14755, 16484, 20605, 29510, 41210, 59020, 71959, 82420, 143918, 287836, 359795, 719590, 935467, 1439180, 1870934, 3741868, 4677335, 9354670, 18709340]

約数ペア:

[(1, 18709340), (2, 9354670), (4, 4677335), (5, 3741868), (10, 1870934), (13, 1439180), (20, 935467), (26, 719590), (52, 359795), (65, 287836), (130, 143918), (227, 82420), (260, 71959), (317, 59020), (454, 41210), (634, 29510), (908, 20605), (1135, 16484), (1268, 14755), (1585, 11804), (2270, 8242), (2951, 6340), (3170, 5902), (4121, 4540)]