18156810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{86461}}^1$

素因数の和:86478

約数の個数: 32

約数和(自身を含む): 49802112

約数和(自身を除く): 31645302

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 86461, 172922, 259383, 432305, 518766, 605227, 864610, 1210454, 1296915, 1815681, 2593830, 3026135, 3631362, 6052270, 9078405, 18156810]

約数ペア:

[(1, 18156810), (2, 9078405), (3, 6052270), (5, 3631362), (6, 3026135), (7, 2593830), (10, 1815681), (14, 1296915), (15, 1210454), (21, 864610), (30, 605227), (35, 518766), (42, 432305), (70, 259383), (105, 172922), (210, 86461)]