15691986860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{394073}}^1$

素因数の和:394274

約数の個数: 48

約数和(自身を含む): 36147619872

約数和(自身を除く): 20455633012

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 362, 724, 905, 1810, 1991, 3620, 3982, 7964, 9955, 19910, 39820, 394073, 788146, 1576292, 1970365, 3940730, 4334803, 7881460, 8669606, 17339212, 21674015, 43348030, 71327213, 86696060, 142654426, 285308852, 356636065, 713272130, 784599343, 1426544260, 1569198686, 3138397372, 3922996715, 7845993430, 15691986860]

約数ペア:

[(1, 15691986860), (2, 7845993430), (4, 3922996715), (5, 3138397372), (10, 1569198686), (11, 1426544260), (20, 784599343), (22, 713272130), (44, 356636065), (55, 285308852), (110, 142654426), (181, 86696060), (220, 71327213), (362, 43348030), (724, 21674015), (905, 17339212), (1810, 8669606), (1991, 7881460), (3620, 4334803), (3982, 3940730), (7964, 1970365), (9955, 1576292), (19910, 788146), (39820, 394073)]