18911088

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:351

約数の個数: 120

約数和(自身を含む): 61552608

約数和(自身を除く): 42641520

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 73, 84, 112, 126, 144, 146, 168, 219, 252, 257, 292, 336, 438, 504, 511, 514, 584, 657, 771, 876, 1008, 1022, 1028, 1168, 1314, 1533, 1542, 1752, 1799, 2044, 2056, 2313, 2628, 3066, 3084, 3504, 3598, 4088, 4112, 4599, 4626, 5256, 5397, 6132, 6168, 7196, 8176, 9198, 9252, 10512, 10794, 12264, 12336, 14392, 16191, 18396, 18504, 18761, 21588, 24528, 28784, 32382, 36792, 37008, 37522, 43176, 56283, 64764, 73584, 75044, 86352, 112566, 129528, 131327, 150088, 168849, 225132, 259056, 262654, 300176, 337698, 393981, 450264, 525308, 675396, 787962, 900528, 1050616, 1181943, 1350792, 1575924, 2101232, 2363886, 2701584, 3151848, 4727772, 6303696, 9455544, 18911088]

約数ペア:

[(1, 18911088), (2, 9455544), (3, 6303696), (4, 4727772), (6, 3151848), (7, 2701584), (8, 2363886), (9, 2101232), (12, 1575924), (14, 1350792), (16, 1181943), (18, 1050616), (21, 900528), (24, 787962), (28, 675396), (36, 525308), (42, 450264), (48, 393981), (56, 337698), (63, 300176), (72, 262654), (73, 259056), (84, 225132), (112, 168849), (126, 150088), (144, 131327), (146, 129528), (168, 112566), (219, 86352), (252, 75044), (257, 73584), (292, 64764), (336, 56283), (438, 43176), (504, 37522), (511, 37008), (514, 36792), (584, 32382), (657, 28784), (771, 24528), (876, 21588), (1008, 18761), (1022, 18504), (1028, 18396), (1168, 16191), (1314, 14392), (1533, 12336), (1542, 12264), (1752, 10794), (1799, 10512), (2044, 9252), (2056, 9198), (2313, 8176), (2628, 7196), (3066, 6168), (3084, 6132), (3504, 5397), (3598, 5256), (4088, 4626), (4112, 4599)]