18716388

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3989}}^1$

素因数の和:4036

約数の個数: 48

約数和(自身を含む): 48263040

約数和(自身を除く): 29546652

約数列:

[1, 2, 3, 4, 6, 12, 17, 23, 34, 46, 51, 68, 69, 92, 102, 138, 204, 276, 391, 782, 1173, 1564, 2346, 3989, 4692, 7978, 11967, 15956, 23934, 47868, 67813, 91747, 135626, 183494, 203439, 271252, 275241, 366988, 406878, 550482, 813756, 1100964, 1559699, 3119398, 4679097, 6238796, 9358194, 18716388]

約数ペア:

[(1, 18716388), (2, 9358194), (3, 6238796), (4, 4679097), (6, 3119398), (12, 1559699), (17, 1100964), (23, 813756), (34, 550482), (46, 406878), (51, 366988), (68, 275241), (69, 271252), (92, 203439), (102, 183494), (138, 135626), (204, 91747), (276, 67813), (391, 47868), (782, 23934), (1173, 15956), (1564, 11967), (2346, 7978), (3989, 4692)]