18503992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{983}}^1$

素因数の和:1183

約数の個数: 32

約数和(自身を含む): 37608480

約数和(自身を除く): 19104488

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 181, 362, 724, 983, 1448, 1966, 2353, 3932, 4706, 7864, 9412, 12779, 18824, 25558, 51116, 102232, 177923, 355846, 711692, 1423384, 2312999, 4625998, 9251996, 18503992]

約数ペア:

[(1, 18503992), (2, 9251996), (4, 4625998), (8, 2312999), (13, 1423384), (26, 711692), (52, 355846), (104, 177923), (181, 102232), (362, 51116), (724, 25558), (983, 18824), (1448, 12779), (1966, 9412), (2353, 7864), (3932, 4706)]