18821430

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{69709}}^1$

素因数の和:69725

約数の個数: 32

約数和(自身を含む): 50191200

約数和(自身を除く): 31369770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 69709, 139418, 209127, 348545, 418254, 627381, 697090, 1045635, 1254762, 1882143, 2091270, 3136905, 3764286, 6273810, 9410715, 18821430]

約数ペア:

[(1, 18821430), (2, 9410715), (3, 6273810), (5, 3764286), (6, 3136905), (9, 2091270), (10, 1882143), (15, 1254762), (18, 1045635), (27, 697090), (30, 627381), (45, 418254), (54, 348545), (90, 209127), (135, 139418), (270, 69709)]