19223380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1481}}^1$

素因数の和:1560

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 25592300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 1481, 2596, 2962, 3245, 5924, 6490, 7405, 12980, 14810, 16291, 29620, 32582, 65164, 81455, 87379, 162910, 174758, 325820, 349516, 436895, 873790, 961169, 1747580, 1922338, 3844676, 4805845, 9611690, 19223380]

約数ペア:

[(1, 19223380), (2, 9611690), (4, 4805845), (5, 3844676), (10, 1922338), (11, 1747580), (20, 961169), (22, 873790), (44, 436895), (55, 349516), (59, 325820), (110, 174758), (118, 162910), (220, 87379), (236, 81455), (295, 65164), (590, 32582), (649, 29620), (1180, 16291), (1298, 14810), (1481, 12980), (2596, 7405), (2962, 6490), (3245, 5924)]