19466260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4657}}^1$

素因数の和:4696

約数の個数: 48

約数和(自身を含む): 46952640

約数和(自身を除く): 27486380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 4657, 9314, 18628, 23285, 46570, 51227, 88483, 93140, 102454, 176966, 204908, 256135, 353932, 442415, 512270, 884830, 973313, 1024540, 1769660, 1946626, 3893252, 4866565, 9733130, 19466260]

約数ペア:

[(1, 19466260), (2, 9733130), (4, 4866565), (5, 3893252), (10, 1946626), (11, 1769660), (19, 1024540), (20, 973313), (22, 884830), (38, 512270), (44, 442415), (55, 353932), (76, 256135), (95, 204908), (110, 176966), (190, 102454), (209, 93140), (220, 88483), (380, 51227), (418, 46570), (836, 23285), (1045, 18628), (2090, 9314), (4180, 4657)]