17820124

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 39070080

約数和(自身を除く): 21249956

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 59, 67, 92, 98, 118, 134, 161, 196, 236, 268, 322, 413, 469, 644, 826, 938, 1127, 1357, 1541, 1652, 1876, 2254, 2714, 2891, 3082, 3283, 3953, 4508, 5428, 5782, 6164, 6566, 7906, 9499, 10787, 11564, 13132, 15812, 18998, 21574, 27671, 37996, 43148, 55342, 66493, 75509, 90919, 110684, 132986, 151018, 181838, 193697, 265972, 302036, 363676, 387394, 636433, 774788, 1272866, 2545732, 4455031, 8910062, 17820124]

約数ペア:

[(1, 17820124), (2, 8910062), (4, 4455031), (7, 2545732), (14, 1272866), (23, 774788), (28, 636433), (46, 387394), (49, 363676), (59, 302036), (67, 265972), (92, 193697), (98, 181838), (118, 151018), (134, 132986), (161, 110684), (196, 90919), (236, 75509), (268, 66493), (322, 55342), (413, 43148), (469, 37996), (644, 27671), (826, 21574), (938, 18998), (1127, 15812), (1357, 13132), (1541, 11564), (1652, 10787), (1876, 9499), (2254, 7906), (2714, 6566), (2891, 6164), (3082, 5782), (3283, 5428), (3953, 4508)]