18378889158

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{108503}}^1$

素因数の和:108661

約数の個数: 64

約数和(自身を含む): 43540485120

約数和(自身を除く): 25161595962

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 109, 111, 218, 222, 259, 327, 518, 654, 763, 777, 1526, 1554, 2289, 4033, 4578, 8066, 12099, 24198, 28231, 56462, 84693, 108503, 169386, 217006, 325509, 651018, 759521, 1519042, 2278563, 4014611, 4557126, 8029222, 11826827, 12043833, 23653654, 24087666, 28102277, 35480481, 56204554, 70960962, 82787789, 84306831, 165575578, 168613662, 248363367, 437592599, 496726734, 875185198, 1312777797, 2625555594, 3063148193, 6126296386, 9189444579, 18378889158]

約数ペア:

[(1, 18378889158), (2, 9189444579), (3, 6126296386), (6, 3063148193), (7, 2625555594), (14, 1312777797), (21, 875185198), (37, 496726734), (42, 437592599), (74, 248363367), (109, 168613662), (111, 165575578), (218, 84306831), (222, 82787789), (259, 70960962), (327, 56204554), (518, 35480481), (654, 28102277), (763, 24087666), (777, 23653654), (1526, 12043833), (1554, 11826827), (2289, 8029222), (4033, 4557126), (4578, 4014611), (8066, 2278563), (12099, 1519042), (24198, 759521), (28231, 651018), (56462, 325509), (84693, 217006), (108503, 169386)]