18893904

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{20717}}^1$

素因数の和:20747

約数の個数: 40

約数和(自身を含む): 51380640

約数和(自身を除く): 32486736

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 20717, 41434, 62151, 82868, 124302, 165736, 248604, 331472, 393623, 497208, 787246, 994416, 1180869, 1574492, 2361738, 3148984, 4723476, 6297968, 9446952, 18893904]

約数ペア:

[(1, 18893904), (2, 9446952), (3, 6297968), (4, 4723476), (6, 3148984), (8, 2361738), (12, 1574492), (16, 1180869), (19, 994416), (24, 787246), (38, 497208), (48, 393623), (57, 331472), (76, 248604), (114, 165736), (152, 124302), (228, 82868), (304, 62151), (456, 41434), (912, 20717)]