18517884

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{409}}^1$

素因数の和:448

約数の個数: 96

約数和(自身を含む): 55104000

約数和(自身を除く): 36586116

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 132, 147, 154, 196, 231, 294, 308, 343, 409, 462, 539, 588, 686, 818, 924, 1029, 1078, 1227, 1372, 1617, 1636, 2058, 2156, 2454, 2863, 3234, 3773, 4116, 4499, 4908, 5726, 6468, 7546, 8589, 8998, 11319, 11452, 13497, 15092, 17178, 17996, 20041, 22638, 26994, 31493, 34356, 40082, 45276, 53988, 60123, 62986, 80164, 94479, 120246, 125972, 140287, 188958, 220451, 240492, 280574, 377916, 420861, 440902, 561148, 661353, 841722, 881804, 1322706, 1543157, 1683444, 2645412, 3086314, 4629471, 6172628, 9258942, 18517884]

約数ペア:

[(1, 18517884), (2, 9258942), (3, 6172628), (4, 4629471), (6, 3086314), (7, 2645412), (11, 1683444), (12, 1543157), (14, 1322706), (21, 881804), (22, 841722), (28, 661353), (33, 561148), (42, 440902), (44, 420861), (49, 377916), (66, 280574), (77, 240492), (84, 220451), (98, 188958), (132, 140287), (147, 125972), (154, 120246), (196, 94479), (231, 80164), (294, 62986), (308, 60123), (343, 53988), (409, 45276), (462, 40082), (539, 34356), (588, 31493), (686, 26994), (818, 22638), (924, 20041), (1029, 17996), (1078, 17178), (1227, 15092), (1372, 13497), (1617, 11452), (1636, 11319), (2058, 8998), (2156, 8589), (2454, 7546), (2863, 6468), (3234, 5726), (3773, 4908), (4116, 4499)]