19749418

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 33384960

約数和(自身を除く): 13635542

約数列:

[1, 2, 13, 26, 31, 62, 107, 214, 229, 403, 458, 806, 1391, 2782, 2977, 3317, 5954, 6634, 7099, 14198, 24503, 43121, 49006, 86242, 92287, 184574, 318539, 637078, 759593, 1519186, 9874709, 19749418]

約数ペア:

[(1, 19749418), (2, 9874709), (13, 1519186), (26, 759593), (31, 637078), (62, 318539), (107, 184574), (214, 92287), (229, 86242), (403, 49006), (458, 43121), (806, 24503), (1391, 14198), (2782, 7099), (2977, 6634), (3317, 5954)]