19618336

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{787}}^1$

素因数の和:857

約数の個数: 48

約数和(自身を含む): 41700960

約数和(自身を除く): 22082624

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 76, 82, 152, 164, 304, 328, 608, 656, 779, 787, 1312, 1558, 1574, 3116, 3148, 6232, 6296, 12464, 12592, 14953, 24928, 25184, 29906, 32267, 59812, 64534, 119624, 129068, 239248, 258136, 478496, 516272, 613073, 1032544, 1226146, 2452292, 4904584, 9809168, 19618336]

約数ペア:

[(1, 19618336), (2, 9809168), (4, 4904584), (8, 2452292), (16, 1226146), (19, 1032544), (32, 613073), (38, 516272), (41, 478496), (76, 258136), (82, 239248), (152, 129068), (164, 119624), (304, 64534), (328, 59812), (608, 32267), (656, 29906), (779, 25184), (787, 24928), (1312, 14953), (1558, 12592), (1574, 12464), (3116, 6296), (3148, 6232)]