19045845

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4651}}^1$

素因数の和:4682

約数の個数: 48

約数和(自身を含む): 40639872

約数和(自身を除く): 21594027

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 4651, 13953, 23255, 32557, 41859, 60463, 69765, 97671, 162785, 181389, 209295, 293013, 302315, 423241, 488355, 544167, 906945, 1269723, 1465065, 2116205, 2720835, 3809169, 6348615, 19045845]

約数ペア:

[(1, 19045845), (3, 6348615), (5, 3809169), (7, 2720835), (9, 2116205), (13, 1465065), (15, 1269723), (21, 906945), (35, 544167), (39, 488355), (45, 423241), (63, 302315), (65, 293013), (91, 209295), (105, 181389), (117, 162785), (195, 97671), (273, 69765), (315, 60463), (455, 41859), (585, 32557), (819, 23255), (1365, 13953), (4095, 4651)]