18719244

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:519

約数の個数: 72

約数和(自身を含む): 50909040

約数和(自身を除く): 32189796

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 73, 102, 146, 153, 204, 219, 292, 306, 419, 438, 612, 657, 838, 876, 1241, 1257, 1314, 1676, 2482, 2514, 2628, 3723, 3771, 4964, 5028, 7123, 7446, 7542, 11169, 14246, 14892, 15084, 21369, 22338, 28492, 30587, 42738, 44676, 61174, 64107, 85476, 91761, 122348, 128214, 183522, 256428, 275283, 367044, 519979, 550566, 1039958, 1101132, 1559937, 2079916, 3119874, 4679811, 6239748, 9359622, 18719244]

約数ペア:

[(1, 18719244), (2, 9359622), (3, 6239748), (4, 4679811), (6, 3119874), (9, 2079916), (12, 1559937), (17, 1101132), (18, 1039958), (34, 550566), (36, 519979), (51, 367044), (68, 275283), (73, 256428), (102, 183522), (146, 128214), (153, 122348), (204, 91761), (219, 85476), (292, 64107), (306, 61174), (419, 44676), (438, 42738), (612, 30587), (657, 28492), (838, 22338), (876, 21369), (1241, 15084), (1257, 14892), (1314, 14246), (1676, 11169), (2482, 7542), (2514, 7446), (2628, 7123), (3723, 5028), (3771, 4964)]