19431376

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1559}}^1$

素因数の和:1627

約数の個数: 40

約数和(自身を含む): 40622400

約数和(自身を除く): 21191024

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1558, 1559, 3116, 3118, 6232, 6236, 12464, 12472, 24944, 29621, 59242, 63919, 118484, 127838, 236968, 255676, 473936, 511352, 1022704, 1214461, 2428922, 4857844, 9715688, 19431376]

約数ペア:

[(1, 19431376), (2, 9715688), (4, 4857844), (8, 2428922), (16, 1214461), (19, 1022704), (38, 511352), (41, 473936), (76, 255676), (82, 236968), (152, 127838), (164, 118484), (304, 63919), (328, 59242), (656, 29621), (779, 24944), (1558, 12472), (1559, 12464), (3116, 6236), (3118, 6232)]