19620540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5737}}^1$

素因数の和:5771

約数の個数: 72

約数和(自身を含む): 62658960

約数和(自身を除く): 43038420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5737, 11474, 17211, 22948, 28685, 34422, 51633, 57370, 68844, 86055, 103266, 109003, 114740, 172110, 206532, 218006, 258165, 327009, 344220, 436012, 516330, 545015, 654018, 981027, 1032660, 1090030, 1308036, 1635045, 1962054, 2180060, 3270090, 3924108, 4905135, 6540180, 9810270, 19620540]

約数ペア:

[(1, 19620540), (2, 9810270), (3, 6540180), (4, 4905135), (5, 3924108), (6, 3270090), (9, 2180060), (10, 1962054), (12, 1635045), (15, 1308036), (18, 1090030), (19, 1032660), (20, 981027), (30, 654018), (36, 545015), (38, 516330), (45, 436012), (57, 344220), (60, 327009), (76, 258165), (90, 218006), (95, 206532), (114, 172110), (171, 114740), (180, 109003), (190, 103266), (228, 86055), (285, 68844), (342, 57370), (380, 51633), (570, 34422), (684, 28685), (855, 22948), (1140, 17211), (1710, 11474), (3420, 5737)]