19754944

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{2551}}^1$

素因数の和:2585

約数の個数: 42

約数和(自身を含む): 43105832

約数和(自身を除く): 23350888

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 176, 242, 352, 484, 704, 968, 1936, 2551, 3872, 5102, 7744, 10204, 20408, 28061, 40816, 56122, 81632, 112244, 163264, 224488, 308671, 448976, 617342, 897952, 1234684, 1795904, 2469368, 4938736, 9877472, 19754944]

約数ペア:

[(1, 19754944), (2, 9877472), (4, 4938736), (8, 2469368), (11, 1795904), (16, 1234684), (22, 897952), (32, 617342), (44, 448976), (64, 308671), (88, 224488), (121, 163264), (176, 112244), (242, 81632), (352, 56122), (484, 40816), (704, 28061), (968, 20408), (1936, 10204), (2551, 7744), (3872, 5102)]