18812464

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1201}}^1$

素因数の和:1309

約数の個数: 40

約数和(自身を含む): 40242960

約数和(自身を除く): 21430496

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 176, 178, 356, 712, 979, 1201, 1424, 1958, 2402, 3916, 4804, 7832, 9608, 13211, 15664, 19216, 26422, 52844, 105688, 106889, 211376, 213778, 427556, 855112, 1175779, 1710224, 2351558, 4703116, 9406232, 18812464]

約数ペア:

[(1, 18812464), (2, 9406232), (4, 4703116), (8, 2351558), (11, 1710224), (16, 1175779), (22, 855112), (44, 427556), (88, 213778), (89, 211376), (176, 106889), (178, 105688), (356, 52844), (712, 26422), (979, 19216), (1201, 15664), (1424, 13211), (1958, 9608), (2402, 7832), (3916, 4804)]