2018974210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{991}}^1\times {\mathrm{18521}}^1$

素因数の和:19530

約数の個数: 32

約数和(自身を含む): 3968745984

約数和(自身を除く): 1949771774

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 991, 1982, 4955, 9910, 10901, 18521, 21802, 37042, 54505, 92605, 109010, 185210, 203731, 407462, 1018655, 2037310, 18354311, 36708622, 91771555, 183543110, 201897421, 403794842, 1009487105, 2018974210]

約数ペア:

[(1, 2018974210), (2, 1009487105), (5, 403794842), (10, 201897421), (11, 183543110), (22, 91771555), (55, 36708622), (110, 18354311), (991, 2037310), (1982, 1018655), (4955, 407462), (9910, 203731), (10901, 185210), (18521, 109010), (21802, 92605), (37042, 54505)]