18987090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1627}}^1$

素因数の和:2026

約数の個数: 32

約数和(自身を含む): 45714240

約数和(自身を除く): 26727150

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 389, 778, 1167, 1627, 1945, 2334, 3254, 3890, 4881, 5835, 8135, 9762, 11670, 16270, 24405, 48810, 632903, 1265806, 1898709, 3164515, 3797418, 6329030, 9493545, 18987090]

約数ペア:

[(1, 18987090), (2, 9493545), (3, 6329030), (5, 3797418), (6, 3164515), (10, 1898709), (15, 1265806), (30, 632903), (389, 48810), (778, 24405), (1167, 16270), (1627, 11670), (1945, 9762), (2334, 8135), (3254, 5835), (3890, 4881)]