18243320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15727}}^1$

素因数の和:15767

約数の個数: 32

約数和(自身を含む): 42465600

約数和(自身を除く): 24222280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 15727, 31454, 62908, 78635, 125816, 157270, 314540, 456083, 629080, 912166, 1824332, 2280415, 3648664, 4560830, 9121660, 18243320]

約数ペア:

[(1, 18243320), (2, 9121660), (4, 4560830), (5, 3648664), (8, 2280415), (10, 1824332), (20, 912166), (29, 629080), (40, 456083), (58, 314540), (116, 157270), (145, 125816), (232, 78635), (290, 62908), (580, 31454), (1160, 15727)]