18491530

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 15722870

約数列:

[1, 2, 5, 10, 79, 89, 158, 178, 263, 395, 445, 526, 790, 890, 1315, 2630, 7031, 14062, 20777, 23407, 35155, 41554, 46814, 70310, 103885, 117035, 207770, 234070, 1849153, 3698306, 9245765, 18491530]

約数ペア:

[(1, 18491530), (2, 9245765), (5, 3698306), (10, 1849153), (79, 234070), (89, 207770), (158, 117035), (178, 103885), (263, 70310), (395, 46814), (445, 41554), (526, 35155), (790, 23407), (890, 20777), (1315, 14062), (2630, 7031)]