19181880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17761}}^1$

素因数の和:17781

約数の個数: 64

約数和(自身を含む): 63943200

約数和(自身を除く): 44761320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 17761, 35522, 53283, 71044, 88805, 106566, 142088, 159849, 177610, 213132, 266415, 319698, 355220, 426264, 479547, 532830, 639396, 710440, 799245, 959094, 1065660, 1278792, 1598490, 1918188, 2131320, 2397735, 3196980, 3836376, 4795470, 6393960, 9590940, 19181880]

約数ペア:

[(1, 19181880), (2, 9590940), (3, 6393960), (4, 4795470), (5, 3836376), (6, 3196980), (8, 2397735), (9, 2131320), (10, 1918188), (12, 1598490), (15, 1278792), (18, 1065660), (20, 959094), (24, 799245), (27, 710440), (30, 639396), (36, 532830), (40, 479547), (45, 426264), (54, 355220), (60, 319698), (72, 266415), (90, 213132), (108, 177610), (120, 159849), (135, 142088), (180, 106566), (216, 88805), (270, 71044), (360, 53283), (540, 35522), (1080, 17761)]