19893938

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:242

約数の個数: 32

約数和(自身を含む): 32175360

約数和(自身を除く): 12281422

約数列:

[1, 2, 37, 41, 74, 79, 82, 83, 158, 166, 1517, 2923, 3034, 3071, 3239, 3403, 5846, 6142, 6478, 6557, 6806, 13114, 119843, 125911, 239686, 242609, 251822, 268837, 485218, 537674, 9946969, 19893938]

約数ペア:

[(1, 19893938), (2, 9946969), (37, 537674), (41, 485218), (74, 268837), (79, 251822), (82, 242609), (83, 239686), (158, 125911), (166, 119843), (1517, 13114), (2923, 6806), (3034, 6557), (3071, 6478), (3239, 6142), (3403, 5846)]