11991964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{5441}}^1$

素因数の和:5493

約数の個数: 24

約数和(自身を含む): 22856400

約数和(自身を除く): 10864436

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 551, 1102, 2204, 5441, 10882, 21764, 103379, 157789, 206758, 315578, 413516, 631156, 2997991, 5995982, 11991964]

約数ペア:

[(1, 11991964), (2, 5995982), (4, 2997991), (19, 631156), (29, 413516), (38, 315578), (58, 206758), (76, 157789), (116, 103379), (551, 21764), (1102, 10882), (2204, 5441)]