19825989428

素因数分解:

$2^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{617}}^1\times {\mathrm{3251}}^1$

素因数の和:4232

約数の個数: 48

約数和(自身を含む): 39841006464

約数和(自身を除く): 20015017036

約数列:

[1, 2, 4, 7, 14, 28, 353, 617, 706, 1234, 1412, 2468, 2471, 3251, 4319, 4942, 6502, 8638, 9884, 13004, 17276, 22757, 45514, 91028, 217801, 435602, 871204, 1147603, 1524607, 2005867, 2295206, 3049214, 4011734, 4590412, 6098428, 8023468, 8033221, 14041069, 16066442, 28082138, 32132884, 56164276, 708071051, 1416142102, 2832284204, 4956497357, 9912994714, 19825989428]

約数ペア:

[(1, 19825989428), (2, 9912994714), (4, 4956497357), (7, 2832284204), (14, 1416142102), (28, 708071051), (353, 56164276), (617, 32132884), (706, 28082138), (1234, 16066442), (1412, 14041069), (2468, 8033221), (2471, 8023468), (3251, 6098428), (4319, 4590412), (4942, 4011734), (6502, 3049214), (8638, 2295206), (9884, 2005867), (13004, 1524607), (17276, 1147603), (22757, 871204), (45514, 435602), (91028, 217801)]