18320679

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 30873024

約数和(自身を除く): 12552345

約数列:

[1, 3, 9, 13, 17, 39, 51, 61, 117, 151, 153, 183, 221, 453, 549, 663, 793, 1037, 1359, 1963, 1989, 2379, 2567, 3111, 5889, 7137, 7701, 9211, 9333, 13481, 17667, 23103, 27633, 33371, 40443, 82899, 100113, 119743, 121329, 156587, 300339, 359229, 469761, 1077687, 1409283, 2035631, 6106893, 18320679]

約数ペア:

[(1, 18320679), (3, 6106893), (9, 2035631), (13, 1409283), (17, 1077687), (39, 469761), (51, 359229), (61, 300339), (117, 156587), (151, 121329), (153, 119743), (183, 100113), (221, 82899), (453, 40443), (549, 33371), (663, 27633), (793, 23103), (1037, 17667), (1359, 13481), (1963, 9333), (1989, 9211), (2379, 7701), (2567, 7137), (3111, 5889)]