19167993

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 33022080

約数和(自身を除く): 13854087

約数列:

[1, 3, 9, 13, 17, 23, 39, 51, 69, 117, 153, 207, 221, 299, 391, 419, 663, 897, 1173, 1257, 1989, 2691, 3519, 3771, 5083, 5447, 7123, 9637, 15249, 16341, 21369, 28911, 45747, 49023, 64107, 86733, 92599, 125281, 163829, 277797, 375843, 491487, 833391, 1127529, 1474461, 2129777, 6389331, 19167993]

約数ペア:

[(1, 19167993), (3, 6389331), (9, 2129777), (13, 1474461), (17, 1127529), (23, 833391), (39, 491487), (51, 375843), (69, 277797), (117, 163829), (153, 125281), (207, 92599), (221, 86733), (299, 64107), (391, 49023), (419, 45747), (663, 28911), (897, 21369), (1173, 16341), (1257, 15249), (1989, 9637), (2691, 7123), (3519, 5447), (3771, 5083)]