19901430

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{73709}}^1$

素因数の和:73725

約数の個数: 32

約数和(自身を含む): 53071200

約数和(自身を除く): 33169770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 73709, 147418, 221127, 368545, 442254, 663381, 737090, 1105635, 1326762, 1990143, 2211270, 3316905, 3980286, 6633810, 9950715, 19901430]

約数ペア:

[(1, 19901430), (2, 9950715), (3, 6633810), (5, 3980286), (6, 3316905), (9, 2211270), (10, 1990143), (15, 1326762), (18, 1105635), (27, 737090), (30, 663381), (45, 442254), (54, 368545), (90, 221127), (135, 147418), (270, 73709)]