18772770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^2$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 46143360

約数和(自身を除く): 27370590

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 89, 158, 178, 237, 267, 395, 445, 474, 534, 790, 890, 1185, 1335, 2370, 2670, 7031, 7921, 14062, 15842, 21093, 23763, 35155, 39605, 42186, 47526, 70310, 79210, 105465, 118815, 210930, 237630, 625759, 1251518, 1877277, 3128795, 3754554, 6257590, 9386385, 18772770]

約数ペア:

[(1, 18772770), (2, 9386385), (3, 6257590), (5, 3754554), (6, 3128795), (10, 1877277), (15, 1251518), (30, 625759), (79, 237630), (89, 210930), (158, 118815), (178, 105465), (237, 79210), (267, 70310), (395, 47526), (445, 42186), (474, 39605), (534, 35155), (790, 23763), (890, 21093), (1185, 15842), (1335, 14062), (2370, 7921), (2670, 7031)]