19621712

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{111487}}^1$

素因数の和:111506

約数の個数: 20

約数和(自身を含む): 41473536

約数和(自身を除く): 21851824

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 111487, 222974, 445948, 891896, 1226357, 1783792, 2452714, 4905428, 9810856, 19621712]

約数ペア:

[(1, 19621712), (2, 9810856), (4, 4905428), (8, 2452714), (11, 1783792), (16, 1226357), (22, 891896), (44, 445948), (88, 222974), (176, 111487)]