18706160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{733}}^1$

素因数の和:786

約数の個数: 80

約数和(自身を含む): 49148640

約数和(自身を除く): 30442480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 733, 880, 1160, 1276, 1466, 1595, 2320, 2552, 2932, 3190, 3665, 5104, 5864, 6380, 7330, 8063, 11728, 12760, 14660, 16126, 21257, 25520, 29320, 32252, 40315, 42514, 58640, 64504, 80630, 85028, 106285, 129008, 161260, 170056, 212570, 233827, 322520, 340112, 425140, 467654, 645040, 850280, 935308, 1169135, 1700560, 1870616, 2338270, 3741232, 4676540, 9353080, 18706160]

約数ペア:

[(1, 18706160), (2, 9353080), (4, 4676540), (5, 3741232), (8, 2338270), (10, 1870616), (11, 1700560), (16, 1169135), (20, 935308), (22, 850280), (29, 645040), (40, 467654), (44, 425140), (55, 340112), (58, 322520), (80, 233827), (88, 212570), (110, 170056), (116, 161260), (145, 129008), (176, 106285), (220, 85028), (232, 80630), (290, 64504), (319, 58640), (440, 42514), (464, 40315), (580, 32252), (638, 29320), (733, 25520), (880, 21257), (1160, 16126), (1276, 14660), (1466, 12760), (1595, 11728), (2320, 8063), (2552, 7330), (2932, 6380), (3190, 5864), (3665, 5104)]