18921390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{630713}}^1$

素因数の和:630723

約数の個数: 16

約数和(自身を含む): 45411408

約数和(自身を除く): 26490018

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 630713, 1261426, 1892139, 3153565, 3784278, 6307130, 9460695, 18921390]

約数ペア:

[(1, 18921390), (2, 9460695), (3, 6307130), (5, 3784278), (6, 3153565), (10, 1892139), (15, 1261426), (30, 630713)]