18718686

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1117}}^1$

素因数の和:1158

約数の個数: 72

約数和(自身を含む): 49706280

約数和(自身を除く): 30987594

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 49, 57, 63, 98, 114, 126, 133, 147, 171, 266, 294, 342, 399, 441, 798, 882, 931, 1117, 1197, 1862, 2234, 2394, 2793, 3351, 5586, 6702, 7819, 8379, 10053, 15638, 16758, 20106, 21223, 23457, 42446, 46914, 54733, 63669, 70371, 109466, 127338, 140742, 148561, 164199, 191007, 297122, 328398, 382014, 445683, 492597, 891366, 985194, 1039927, 1337049, 2079854, 2674098, 3119781, 6239562, 9359343, 18718686]

約数ペア:

[(1, 18718686), (2, 9359343), (3, 6239562), (6, 3119781), (7, 2674098), (9, 2079854), (14, 1337049), (18, 1039927), (19, 985194), (21, 891366), (38, 492597), (42, 445683), (49, 382014), (57, 328398), (63, 297122), (98, 191007), (114, 164199), (126, 148561), (133, 140742), (147, 127338), (171, 109466), (266, 70371), (294, 63669), (342, 54733), (399, 46914), (441, 42446), (798, 23457), (882, 21223), (931, 20106), (1117, 16758), (1197, 15638), (1862, 10053), (2234, 8379), (2394, 7819), (2793, 6702), (3351, 5586)]