19919732

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{433}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 41997312

約数和(自身を除く): 22077580

約数列:

[1, 2, 4, 7, 14, 28, 31, 53, 62, 106, 124, 212, 217, 371, 433, 434, 742, 866, 868, 1484, 1643, 1732, 3031, 3286, 6062, 6572, 11501, 12124, 13423, 22949, 23002, 26846, 45898, 46004, 53692, 91796, 93961, 160643, 187922, 321286, 375844, 642572, 711419, 1422838, 2845676, 4979933, 9959866, 19919732]

約数ペア:

[(1, 19919732), (2, 9959866), (4, 4979933), (7, 2845676), (14, 1422838), (28, 711419), (31, 642572), (53, 375844), (62, 321286), (106, 187922), (124, 160643), (212, 93961), (217, 91796), (371, 53692), (433, 46004), (434, 45898), (742, 26846), (866, 23002), (868, 22949), (1484, 13423), (1643, 12124), (1732, 11501), (3031, 6572), (3286, 6062)]