18281920

素因数分解:

$2^6\times 5^1\times {\mathrm{57131}}^1$

素因数の和:57148

約数の個数: 28

約数和(自身を含む): 43534584

約数和(自身を除く): 25252664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 57131, 114262, 228524, 285655, 457048, 571310, 914096, 1142620, 1828192, 2285240, 3656384, 4570480, 9140960, 18281920]

約数ペア:

[(1, 18281920), (2, 9140960), (4, 4570480), (5, 3656384), (8, 2285240), (10, 1828192), (16, 1142620), (20, 914096), (32, 571310), (40, 457048), (64, 285655), (80, 228524), (160, 114262), (320, 57131)]