1908832720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1255811}}^1$

素因数の和:1255843

約数の個数: 40

約数和(自身を含む): 4671620640

約数和(自身を除く): 2762787920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1255811, 2511622, 5023244, 6279055, 10046488, 12558110, 20092976, 23860409, 25116220, 47720818, 50232440, 95441636, 100464880, 119302045, 190883272, 238604090, 381766544, 477208180, 954416360, 1908832720]

約数ペア:

[(1, 1908832720), (2, 954416360), (4, 477208180), (5, 381766544), (8, 238604090), (10, 190883272), (16, 119302045), (19, 100464880), (20, 95441636), (38, 50232440), (40, 47720818), (76, 25116220), (80, 23860409), (95, 20092976), (152, 12558110), (190, 10046488), (304, 6279055), (380, 5023244), (760, 2511622), (1520, 1255811)]