19455040

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5527}}^1$

素因数の和:5555

約数の個数: 56

約数和(自身を含む): 50548032

約数和(自身を除く): 31092992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 5527, 11054, 22108, 27635, 44216, 55270, 60797, 88432, 110540, 121594, 176864, 221080, 243188, 303985, 353728, 442160, 486376, 607970, 884320, 972752, 1215940, 1768640, 1945504, 2431880, 3891008, 4863760, 9727520, 19455040]

約数ペア:

[(1, 19455040), (2, 9727520), (4, 4863760), (5, 3891008), (8, 2431880), (10, 1945504), (11, 1768640), (16, 1215940), (20, 972752), (22, 884320), (32, 607970), (40, 486376), (44, 442160), (55, 353728), (64, 303985), (80, 243188), (88, 221080), (110, 176864), (160, 121594), (176, 110540), (220, 88432), (320, 60797), (352, 55270), (440, 44216), (704, 27635), (880, 22108), (1760, 11054), (3520, 5527)]