20195571238

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{421}}^1\times {\mathrm{7297}}^1$

素因数の和:7912

約数の個数: 32

約数和(自身を含む): 32152652640

約数和(自身を除く): 11957081402

約数列:

[1, 2, 19, 38, 173, 346, 421, 842, 3287, 6574, 7297, 7999, 14594, 15998, 72833, 138643, 145666, 277286, 1262381, 1383827, 2524762, 2767654, 3072037, 6144074, 23985239, 47970478, 58368703, 116737406, 531462401, 1062924802, 10097785619, 20195571238]

約数ペア:

[(1, 20195571238), (2, 10097785619), (19, 1062924802), (38, 531462401), (173, 116737406), (346, 58368703), (421, 47970478), (842, 23985239), (3287, 6144074), (6574, 3072037), (7297, 2767654), (7999, 2524762), (14594, 1383827), (15998, 1262381), (72833, 277286), (138643, 145666)]