19195216

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1009}}^1$

素因数の和:1087

約数の個数: 40

約数和(自身を含む): 39450600

約数和(自身を除く): 20255384

約数列:

[1, 2, 4, 8, 16, 29, 41, 58, 82, 116, 164, 232, 328, 464, 656, 1009, 1189, 2018, 2378, 4036, 4756, 8072, 9512, 16144, 19024, 29261, 41369, 58522, 82738, 117044, 165476, 234088, 330952, 468176, 661904, 1199701, 2399402, 4798804, 9597608, 19195216]

約数ペア:

[(1, 19195216), (2, 9597608), (4, 4798804), (8, 2399402), (16, 1199701), (29, 661904), (41, 468176), (58, 330952), (82, 234088), (116, 165476), (164, 117044), (232, 82738), (328, 58522), (464, 41369), (656, 29261), (1009, 19024), (1189, 16144), (2018, 9512), (2378, 8072), (4036, 4756)]