18141915

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2557}}^1$

素因数の和:2619

約数の個数: 32

約数和(自身を含む): 32414976

約数和(自身を除く): 14273061

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 473, 645, 1419, 2365, 2557, 7095, 7671, 12785, 28127, 38355, 84381, 109951, 140635, 329853, 421905, 549755, 1209461, 1649265, 3628383, 6047305, 18141915]

約数ペア:

[(1, 18141915), (3, 6047305), (5, 3628383), (11, 1649265), (15, 1209461), (33, 549755), (43, 421905), (55, 329853), (129, 140635), (165, 109951), (215, 84381), (473, 38355), (645, 28127), (1419, 12785), (2365, 7671), (2557, 7095)]