19354812

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 46476192

約数和(自身を除く): 27121380

約数列:

[1, 2, 3, 4, 6, 12, 61, 122, 137, 183, 193, 244, 274, 366, 386, 411, 548, 579, 732, 772, 822, 1158, 1644, 2316, 8357, 11773, 16714, 23546, 25071, 26441, 33428, 35319, 47092, 50142, 52882, 70638, 79323, 100284, 105764, 141276, 158646, 317292, 1612901, 3225802, 4838703, 6451604, 9677406, 19354812]

約数ペア:

[(1, 19354812), (2, 9677406), (3, 6451604), (4, 4838703), (6, 3225802), (12, 1612901), (61, 317292), (122, 158646), (137, 141276), (183, 105764), (193, 100284), (244, 79323), (274, 70638), (366, 52882), (386, 50142), (411, 47092), (548, 35319), (579, 33428), (732, 26441), (772, 25071), (822, 23546), (1158, 16714), (1644, 11773), (2316, 8357)]