18513180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{2099}}^1$

素因数の和:2128

約数の個数: 108

約数和(自身を含む): 65356200

約数和(自身を除く): 46843020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2099, 2205, 2940, 4198, 4410, 6297, 8396, 8820, 10495, 12594, 14693, 18891, 20990, 25188, 29386, 31485, 37782, 41980, 44079, 58772, 62970, 73465, 75564, 88158, 94455, 102851, 125940, 132237, 146930, 176316, 188910, 205702, 220395, 264474, 293860, 308553, 377820, 411404, 440790, 514255, 528948, 617106, 661185, 881580, 925659, 1028510, 1234212, 1322370, 1542765, 1851318, 2057020, 2644740, 3085530, 3702636, 4628295, 6171060, 9256590, 18513180]

約数ペア:

[(1, 18513180), (2, 9256590), (3, 6171060), (4, 4628295), (5, 3702636), (6, 3085530), (7, 2644740), (9, 2057020), (10, 1851318), (12, 1542765), (14, 1322370), (15, 1234212), (18, 1028510), (20, 925659), (21, 881580), (28, 661185), (30, 617106), (35, 528948), (36, 514255), (42, 440790), (45, 411404), (49, 377820), (60, 308553), (63, 293860), (70, 264474), (84, 220395), (90, 205702), (98, 188910), (105, 176316), (126, 146930), (140, 132237), (147, 125940), (180, 102851), (196, 94455), (210, 88158), (245, 75564), (252, 73465), (294, 62970), (315, 58772), (420, 44079), (441, 41980), (490, 37782), (588, 31485), (630, 29386), (735, 25188), (882, 20990), (980, 18891), (1260, 14693), (1470, 12594), (1764, 10495), (2099, 8820), (2205, 8396), (2940, 6297), (4198, 4410)]