18401944

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2647}}^1$

素因数の和:2743

約数の個数: 32

約数和(自身を含む): 38131200

約数和(自身を除く): 19729256

約数列:

[1, 2, 4, 8, 11, 22, 44, 79, 88, 158, 316, 632, 869, 1738, 2647, 3476, 5294, 6952, 10588, 21176, 29117, 58234, 116468, 209113, 232936, 418226, 836452, 1672904, 2300243, 4600486, 9200972, 18401944]

約数ペア:

[(1, 18401944), (2, 9200972), (4, 4600486), (8, 2300243), (11, 1672904), (22, 836452), (44, 418226), (79, 232936), (88, 209113), (158, 116468), (316, 58234), (632, 29117), (869, 21176), (1738, 10588), (2647, 6952), (3476, 5294)]