18778430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{3221}}^1$

素因数の和:3292

約数の個数: 32

約数和(自身を含む): 37581408

約数和(自身を除く): 18802978

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 106, 110, 265, 530, 583, 1166, 2915, 3221, 5830, 6442, 16105, 32210, 35431, 70862, 170713, 177155, 341426, 354310, 853565, 1707130, 1877843, 3755686, 9389215, 18778430]

約数ペア:

[(1, 18778430), (2, 9389215), (5, 3755686), (10, 1877843), (11, 1707130), (22, 853565), (53, 354310), (55, 341426), (106, 177155), (110, 170713), (265, 70862), (530, 35431), (583, 32210), (1166, 16105), (2915, 6442), (3221, 5830)]