18722220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1493}}^1$

素因数の和:1535

約数の個数: 96

約数和(自身を含む): 60238080

約数和(自身を除く): 41515860

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 44, 55, 57, 60, 66, 76, 95, 110, 114, 132, 165, 190, 209, 220, 228, 285, 330, 380, 418, 570, 627, 660, 836, 1045, 1140, 1254, 1493, 2090, 2508, 2986, 3135, 4180, 4479, 5972, 6270, 7465, 8958, 12540, 14930, 16423, 17916, 22395, 28367, 29860, 32846, 44790, 49269, 56734, 65692, 82115, 85101, 89580, 98538, 113468, 141835, 164230, 170202, 197076, 246345, 283670, 312037, 328460, 340404, 425505, 492690, 567340, 624074, 851010, 936111, 985380, 1248148, 1560185, 1702020, 1872222, 3120370, 3744444, 4680555, 6240740, 9361110, 18722220]

約数ペア:

[(1, 18722220), (2, 9361110), (3, 6240740), (4, 4680555), (5, 3744444), (6, 3120370), (10, 1872222), (11, 1702020), (12, 1560185), (15, 1248148), (19, 985380), (20, 936111), (22, 851010), (30, 624074), (33, 567340), (38, 492690), (44, 425505), (55, 340404), (57, 328460), (60, 312037), (66, 283670), (76, 246345), (95, 197076), (110, 170202), (114, 164230), (132, 141835), (165, 113468), (190, 98538), (209, 89580), (220, 85101), (228, 82115), (285, 65692), (330, 56734), (380, 49269), (418, 44790), (570, 32846), (627, 29860), (660, 28367), (836, 22395), (1045, 17916), (1140, 16423), (1254, 14930), (1493, 12540), (2090, 8958), (2508, 7465), (2986, 6270), (3135, 5972), (4180, 4479)]