31723578

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:196

約数の個数: 96

約数和(自身を含む): 78249600

約数和(自身を除く): 46526022

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 37, 38, 46, 57, 69, 74, 109, 111, 114, 138, 171, 207, 218, 222, 327, 333, 342, 414, 437, 654, 666, 703, 851, 874, 981, 1311, 1406, 1702, 1962, 2071, 2109, 2507, 2553, 2622, 3933, 4033, 4142, 4218, 5014, 5106, 6213, 6327, 7521, 7659, 7866, 8066, 12099, 12426, 12654, 15042, 15318, 16169, 18639, 22563, 24198, 32338, 36297, 37278, 45126, 47633, 48507, 72594, 76627, 92759, 95266, 97014, 142899, 145521, 153254, 185518, 229881, 278277, 285798, 291042, 428697, 459762, 556554, 689643, 834831, 857394, 1379286, 1669662, 1762421, 3524842, 5287263, 10574526, 15861789, 31723578]

約数ペア:

[(1, 31723578), (2, 15861789), (3, 10574526), (6, 5287263), (9, 3524842), (18, 1762421), (19, 1669662), (23, 1379286), (37, 857394), (38, 834831), (46, 689643), (57, 556554), (69, 459762), (74, 428697), (109, 291042), (111, 285798), (114, 278277), (138, 229881), (171, 185518), (207, 153254), (218, 145521), (222, 142899), (327, 97014), (333, 95266), (342, 92759), (414, 76627), (437, 72594), (654, 48507), (666, 47633), (703, 45126), (851, 37278), (874, 36297), (981, 32338), (1311, 24198), (1406, 22563), (1702, 18639), (1962, 16169), (2071, 15318), (2109, 15042), (2507, 12654), (2553, 12426), (2622, 12099), (3933, 8066), (4033, 7866), (4142, 7659), (4218, 7521), (5014, 6327), (5106, 6213)]