19749618

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3823}}^1$

素因数の和:3879

約数の個数: 48

約数和(自身を含む): 50109696

約数和(自身を除く): 30360078

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 63, 82, 123, 126, 246, 287, 369, 574, 738, 861, 1722, 2583, 3823, 5166, 7646, 11469, 22938, 26761, 34407, 53522, 68814, 80283, 156743, 160566, 240849, 313486, 470229, 481698, 940458, 1097201, 1410687, 2194402, 2821374, 3291603, 6583206, 9874809, 19749618]

約数ペア:

[(1, 19749618), (2, 9874809), (3, 6583206), (6, 3291603), (7, 2821374), (9, 2194402), (14, 1410687), (18, 1097201), (21, 940458), (41, 481698), (42, 470229), (63, 313486), (82, 240849), (123, 160566), (126, 156743), (246, 80283), (287, 68814), (369, 53522), (574, 34407), (738, 26761), (861, 22938), (1722, 11469), (2583, 7646), (3823, 5166)]