18003213844

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2541391}}^1$

素因数の和:2541436

約数の個数: 48

約数和(自身を含む): 40987570176

約数和(自身を除く): 22984356332

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 308, 322, 506, 644, 1012, 1771, 3542, 7084, 2541391, 5082782, 10165564, 17789737, 27955301, 35579474, 55910602, 58451993, 71158948, 111821204, 116903986, 195687107, 233807972, 391374214, 409163951, 642971923, 782748428, 818327902, 1285943846, 1636655804, 2571887692, 4500803461, 9001606922, 18003213844]

約数ペア:

[(1, 18003213844), (2, 9001606922), (4, 4500803461), (7, 2571887692), (11, 1636655804), (14, 1285943846), (22, 818327902), (23, 782748428), (28, 642971923), (44, 409163951), (46, 391374214), (77, 233807972), (92, 195687107), (154, 116903986), (161, 111821204), (253, 71158948), (308, 58451993), (322, 55910602), (506, 35579474), (644, 27955301), (1012, 17789737), (1771, 10165564), (3542, 5082782), (7084, 2541391)]