18884012

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 41368320

約数和(自身を除く): 22484308

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 59, 71, 92, 98, 118, 142, 161, 196, 236, 284, 322, 413, 497, 644, 826, 994, 1127, 1357, 1633, 1652, 1988, 2254, 2714, 2891, 3266, 3479, 4189, 4508, 5428, 5782, 6532, 6958, 8378, 9499, 11431, 11564, 13916, 16756, 18998, 22862, 29323, 37996, 45724, 58646, 66493, 80017, 96347, 117292, 132986, 160034, 192694, 205261, 265972, 320068, 385388, 410522, 674429, 821044, 1348858, 2697716, 4721003, 9442006, 18884012]

約数ペア:

[(1, 18884012), (2, 9442006), (4, 4721003), (7, 2697716), (14, 1348858), (23, 821044), (28, 674429), (46, 410522), (49, 385388), (59, 320068), (71, 265972), (92, 205261), (98, 192694), (118, 160034), (142, 132986), (161, 117292), (196, 96347), (236, 80017), (284, 66493), (322, 58646), (413, 45724), (497, 37996), (644, 29323), (826, 22862), (994, 18998), (1127, 16756), (1357, 13916), (1633, 11564), (1652, 11431), (1988, 9499), (2254, 8378), (2714, 6958), (2891, 6532), (3266, 5782), (3479, 5428), (4189, 4508)]