19776627

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 33310368

約数和(自身を除く): 13533741

約数列:

[1, 3, 9, 13, 17, 39, 51, 61, 117, 153, 163, 183, 221, 489, 549, 663, 793, 1037, 1467, 1989, 2119, 2379, 2771, 3111, 6357, 7137, 8313, 9333, 9943, 13481, 19071, 24939, 29829, 36023, 40443, 89487, 108069, 121329, 129259, 169031, 324207, 387777, 507093, 1163331, 1521279, 2197403, 6592209, 19776627]

約数ペア:

[(1, 19776627), (3, 6592209), (9, 2197403), (13, 1521279), (17, 1163331), (39, 507093), (51, 387777), (61, 324207), (117, 169031), (153, 129259), (163, 121329), (183, 108069), (221, 89487), (489, 40443), (549, 36023), (663, 29829), (793, 24939), (1037, 19071), (1467, 13481), (1989, 9943), (2119, 9333), (2379, 8313), (2771, 7137), (3111, 6357)]