19605708

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 52284960

約数和(自身を除く): 32679252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 41, 74, 82, 111, 123, 148, 164, 222, 246, 333, 359, 369, 444, 492, 666, 718, 738, 1077, 1332, 1436, 1476, 1517, 2154, 3034, 3231, 4308, 4551, 6068, 6462, 9102, 12924, 13283, 13653, 14719, 18204, 26566, 27306, 29438, 39849, 44157, 53132, 54612, 58876, 79698, 88314, 119547, 132471, 159396, 176628, 239094, 264942, 478188, 529884, 544603, 1089206, 1633809, 2178412, 3267618, 4901427, 6535236, 9802854, 19605708]

約数ペア:

[(1, 19605708), (2, 9802854), (3, 6535236), (4, 4901427), (6, 3267618), (9, 2178412), (12, 1633809), (18, 1089206), (36, 544603), (37, 529884), (41, 478188), (74, 264942), (82, 239094), (111, 176628), (123, 159396), (148, 132471), (164, 119547), (222, 88314), (246, 79698), (333, 58876), (359, 54612), (369, 53132), (444, 44157), (492, 39849), (666, 29438), (718, 27306), (738, 26566), (1077, 18204), (1332, 14719), (1436, 13653), (1476, 13283), (1517, 12924), (2154, 9102), (3034, 6462), (3231, 6068), (4308, 4551)]