19518156

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1061}}^1$

素因数の和:1151

約数の個数: 72

約数和(自身を含む): 57212064

約数和(自身を除く): 37693908

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 73, 84, 126, 146, 219, 252, 292, 438, 511, 657, 876, 1022, 1061, 1314, 1533, 2044, 2122, 2628, 3066, 3183, 4244, 4599, 6132, 6366, 7427, 9198, 9549, 12732, 14854, 18396, 19098, 22281, 29708, 38196, 44562, 66843, 77453, 89124, 133686, 154906, 232359, 267372, 309812, 464718, 542171, 697077, 929436, 1084342, 1394154, 1626513, 2168684, 2788308, 3253026, 4879539, 6506052, 9759078, 19518156]

約数ペア:

[(1, 19518156), (2, 9759078), (3, 6506052), (4, 4879539), (6, 3253026), (7, 2788308), (9, 2168684), (12, 1626513), (14, 1394154), (18, 1084342), (21, 929436), (28, 697077), (36, 542171), (42, 464718), (63, 309812), (73, 267372), (84, 232359), (126, 154906), (146, 133686), (219, 89124), (252, 77453), (292, 66843), (438, 44562), (511, 38196), (657, 29708), (876, 22281), (1022, 19098), (1061, 18396), (1314, 14854), (1533, 12732), (2044, 9549), (2122, 9198), (2628, 7427), (3066, 6366), (3183, 6132), (4244, 4599)]