19693080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4973}}^1$

素因数の和:5001

約数の個数: 96

約数和(自身を含む): 69834960

約数和(自身を除く): 50141880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 4973, 9946, 14919, 19892, 24865, 29838, 39784, 44757, 49730, 54703, 59676, 74595, 89514, 99460, 109406, 119352, 149190, 164109, 179028, 198920, 218812, 223785, 273515, 298380, 328218, 358056, 437624, 447570, 492327, 547030, 596760, 656436, 820545, 895140, 984654, 1094060, 1312872, 1641090, 1790280, 1969308, 2188120, 2461635, 3282180, 3938616, 4923270, 6564360, 9846540, 19693080]

約数ペア:

[(1, 19693080), (2, 9846540), (3, 6564360), (4, 4923270), (5, 3938616), (6, 3282180), (8, 2461635), (9, 2188120), (10, 1969308), (11, 1790280), (12, 1641090), (15, 1312872), (18, 1094060), (20, 984654), (22, 895140), (24, 820545), (30, 656436), (33, 596760), (36, 547030), (40, 492327), (44, 447570), (45, 437624), (55, 358056), (60, 328218), (66, 298380), (72, 273515), (88, 223785), (90, 218812), (99, 198920), (110, 179028), (120, 164109), (132, 149190), (165, 119352), (180, 109406), (198, 99460), (220, 89514), (264, 74595), (330, 59676), (360, 54703), (396, 49730), (440, 44757), (495, 39784), (660, 29838), (792, 24865), (990, 19892), (1320, 14919), (1980, 9946), (3960, 4973)]