19859238

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{569}}^1$

素因数の和:861

約数の個数: 48

約数和(自身を含む): 49439520

約数和(自身を除く): 29580282

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 277, 554, 569, 831, 1138, 1662, 1707, 1939, 2493, 3414, 3878, 3983, 4986, 5121, 5817, 7966, 10242, 11634, 11949, 17451, 23898, 34902, 35847, 71694, 157613, 315226, 472839, 945678, 1103291, 1418517, 2206582, 2837034, 3309873, 6619746, 9929619, 19859238]

約数ペア:

[(1, 19859238), (2, 9929619), (3, 6619746), (6, 3309873), (7, 2837034), (9, 2206582), (14, 1418517), (18, 1103291), (21, 945678), (42, 472839), (63, 315226), (126, 157613), (277, 71694), (554, 35847), (569, 34902), (831, 23898), (1138, 17451), (1662, 11949), (1707, 11634), (1939, 10242), (2493, 7966), (3414, 5817), (3878, 5121), (3983, 4986)]