18057904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:529

約数の個数: 40

約数和(自身を含む): 37140480

約数和(自身を除く): 19082576

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 191, 304, 311, 382, 622, 764, 1244, 1528, 2488, 3056, 3629, 4976, 5909, 7258, 11818, 14516, 23636, 29032, 47272, 58064, 59401, 94544, 118802, 237604, 475208, 950416, 1128619, 2257238, 4514476, 9028952, 18057904]

約数ペア:

[(1, 18057904), (2, 9028952), (4, 4514476), (8, 2257238), (16, 1128619), (19, 950416), (38, 475208), (76, 237604), (152, 118802), (191, 94544), (304, 59401), (311, 58064), (382, 47272), (622, 29032), (764, 23636), (1244, 14516), (1528, 11818), (2488, 7258), (3056, 5909), (3629, 4976)]