19384209

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{197}}^1$

素因数の和:274

約数の個数: 36

約数和(自身を含む): 31387356

約数和(自身を除く): 12003147

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 197, 261, 377, 591, 841, 1131, 1773, 2523, 2561, 3393, 5713, 7569, 7683, 10933, 17139, 23049, 32799, 51417, 74269, 98397, 165677, 222807, 497031, 668421, 1491093, 2153801, 6461403, 19384209]

約数ペア:

[(1, 19384209), (3, 6461403), (9, 2153801), (13, 1491093), (29, 668421), (39, 497031), (87, 222807), (117, 165677), (197, 98397), (261, 74269), (377, 51417), (591, 32799), (841, 23049), (1131, 17139), (1773, 10933), (2523, 7683), (2561, 7569), (3393, 5713)]