19690147197

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1197479}}^1$

素因数の和:1197527

約数の個数: 40

約数和(自身を含む): 34774819200

約数和(自身を除く): 15084672003

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 261, 567, 609, 783, 1827, 2349, 5481, 16443, 1197479, 3592437, 8382353, 10777311, 25147059, 32331933, 34726891, 75441177, 96995799, 104180673, 226323531, 243088237, 312542019, 678970593, 729264711, 937626057, 2187794133, 2812878171, 6563382399, 19690147197]

約数ペア:

[(1, 19690147197), (3, 6563382399), (7, 2812878171), (9, 2187794133), (21, 937626057), (27, 729264711), (29, 678970593), (63, 312542019), (81, 243088237), (87, 226323531), (189, 104180673), (203, 96995799), (261, 75441177), (567, 34726891), (609, 32331933), (783, 25147059), (1827, 10777311), (2349, 8382353), (5481, 3592437), (16443, 1197479)]