19540941

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 30820608

約数和(自身を除く): 11279667

約数列:

[1, 3, 7, 21, 53, 97, 159, 181, 291, 371, 543, 679, 1113, 1267, 2037, 3801, 5141, 9593, 15423, 17557, 28779, 35987, 52671, 67151, 107961, 122899, 201453, 368697, 930521, 2791563, 6513647, 19540941]

約数ペア:

[(1, 19540941), (3, 6513647), (7, 2791563), (21, 930521), (53, 368697), (97, 201453), (159, 122899), (181, 107961), (291, 67151), (371, 52671), (543, 35987), (679, 28779), (1113, 17557), (1267, 15423), (2037, 9593), (3801, 5141)]