18709570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2153}}^1$

素因数の和:2250

約数の個数: 32

約数和(自身を含む): 37221120

約数和(自身を除く): 18511550

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 2153, 4306, 4345, 8690, 10765, 21530, 23683, 47366, 118415, 170087, 236830, 340174, 850435, 1700870, 1870957, 3741914, 9354785, 18709570]

約数ペア:

[(1, 18709570), (2, 9354785), (5, 3741914), (10, 1870957), (11, 1700870), (22, 850435), (55, 340174), (79, 236830), (110, 170087), (158, 118415), (395, 47366), (790, 23683), (869, 21530), (1738, 10765), (2153, 8690), (4306, 4345)]