18900000026

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{504619}}^1$

素因数の和:504989

約数の個数: 16

約数和(自身を含む): 28908670560

約数和(自身を除く): 10008670534

約数列:

[1, 2, 61, 122, 307, 614, 18727, 37454, 504619, 1009238, 30781759, 61563518, 154918033, 309836066, 9450000013, 18900000026]

約数ペア:

[(1, 18900000026), (2, 9450000013), (61, 309836066), (122, 154918033), (307, 61563518), (614, 30781759), (18727, 1009238), (37454, 504619)]