18618040

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:114

約数の個数: 128

約数和(自身を含む): 51840000

約数和(自身を除く): 33221960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 49, 56, 59, 70, 92, 98, 115, 118, 140, 161, 184, 196, 230, 236, 245, 280, 295, 322, 343, 392, 413, 460, 472, 490, 590, 644, 686, 805, 826, 920, 980, 1127, 1180, 1288, 1357, 1372, 1610, 1652, 1715, 1960, 2065, 2254, 2360, 2714, 2744, 2891, 3220, 3304, 3430, 4130, 4508, 5428, 5635, 5782, 6440, 6785, 6860, 7889, 8260, 9016, 9499, 10856, 11270, 11564, 13570, 13720, 14455, 15778, 16520, 18998, 20237, 22540, 23128, 27140, 28910, 31556, 37996, 39445, 40474, 45080, 47495, 54280, 57820, 63112, 66493, 75992, 78890, 80948, 94990, 101185, 115640, 132986, 157780, 161896, 189980, 202370, 265972, 315560, 332465, 379960, 404740, 465451, 531944, 664930, 809480, 930902, 1329860, 1861804, 2327255, 2659720, 3723608, 4654510, 9309020, 18618040]

約数ペア:

[(1, 18618040), (2, 9309020), (4, 4654510), (5, 3723608), (7, 2659720), (8, 2327255), (10, 1861804), (14, 1329860), (20, 930902), (23, 809480), (28, 664930), (35, 531944), (40, 465451), (46, 404740), (49, 379960), (56, 332465), (59, 315560), (70, 265972), (92, 202370), (98, 189980), (115, 161896), (118, 157780), (140, 132986), (161, 115640), (184, 101185), (196, 94990), (230, 80948), (236, 78890), (245, 75992), (280, 66493), (295, 63112), (322, 57820), (343, 54280), (392, 47495), (413, 45080), (460, 40474), (472, 39445), (490, 37996), (590, 31556), (644, 28910), (686, 27140), (805, 23128), (826, 22540), (920, 20237), (980, 18998), (1127, 16520), (1180, 15778), (1288, 14455), (1357, 13720), (1372, 13570), (1610, 11564), (1652, 11270), (1715, 10856), (1960, 9499), (2065, 9016), (2254, 8260), (2360, 7889), (2714, 6860), (2744, 6785), (2891, 6440), (3220, 5782), (3304, 5635), (3430, 5428), (4130, 4508)]