18436632008

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1\times {\mathrm{2161}}^1$

素因数の和:2622

約数の個数: 64

約数和(自身を含む): 36425376000

約数和(自身を除く): 17988743992

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 199, 233, 398, 466, 796, 932, 1592, 1864, 2161, 4322, 4577, 5359, 8644, 9154, 10718, 17288, 18308, 21436, 36616, 42872, 46367, 49703, 92734, 99406, 185468, 198812, 370936, 397624, 430039, 503513, 860078, 1007026, 1066441, 1720156, 2014052, 2132882, 3440312, 4028104, 4265764, 8531528, 9890897, 11580799, 19781794, 23161598, 39563588, 46323196, 79127176, 92646392, 100199087, 200398174, 400796348, 801592696, 2304579001, 4609158002, 9218316004, 18436632008]

約数ペア:

[(1, 18436632008), (2, 9218316004), (4, 4609158002), (8, 2304579001), (23, 801592696), (46, 400796348), (92, 200398174), (184, 100199087), (199, 92646392), (233, 79127176), (398, 46323196), (466, 39563588), (796, 23161598), (932, 19781794), (1592, 11580799), (1864, 9890897), (2161, 8531528), (4322, 4265764), (4577, 4028104), (5359, 3440312), (8644, 2132882), (9154, 2014052), (10718, 1720156), (17288, 1066441), (18308, 1007026), (21436, 860078), (36616, 503513), (42872, 430039), (46367, 397624), (49703, 370936), (92734, 198812), (99406, 185468)]