18199005

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 32992512

約数和(自身を除く): 14793507

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 121, 165, 185, 271, 363, 407, 555, 605, 813, 1221, 1355, 1815, 2035, 2981, 4065, 4477, 6105, 8943, 10027, 13431, 14905, 22385, 30081, 32791, 44715, 50135, 67155, 98373, 110297, 150405, 163955, 330891, 491865, 551485, 1213267, 1654455, 3639801, 6066335, 18199005]

約数ペア:

[(1, 18199005), (3, 6066335), (5, 3639801), (11, 1654455), (15, 1213267), (33, 551485), (37, 491865), (55, 330891), (111, 163955), (121, 150405), (165, 110297), (185, 98373), (271, 67155), (363, 50135), (407, 44715), (555, 32791), (605, 30081), (813, 22385), (1221, 14905), (1355, 13431), (1815, 10027), (2035, 8943), (2981, 6105), (4065, 4477)]