18987030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{210967}}^1$

素因数の和:210980

約数の個数: 24

約数和(自身を含む): 49366512

約数和(自身を除く): 30379482

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 210967, 421934, 632901, 1054835, 1265802, 1898703, 2109670, 3164505, 3797406, 6329010, 9493515, 18987030]

約数ペア:

[(1, 18987030), (2, 9493515), (3, 6329010), (5, 3797406), (6, 3164505), (9, 2109670), (10, 1898703), (15, 1265802), (18, 1054835), (30, 632901), (45, 421934), (90, 210967)]