18278862

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{787}}^1$

素因数の和:885

約数の個数: 48

約数和(自身を含む): 43119360

約数和(自身を除く): 24840498

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 79, 98, 147, 158, 237, 294, 474, 553, 787, 1106, 1574, 1659, 2361, 3318, 3871, 4722, 5509, 7742, 11018, 11613, 16527, 23226, 33054, 38563, 62173, 77126, 115689, 124346, 186519, 231378, 373038, 435211, 870422, 1305633, 2611266, 3046477, 6092954, 9139431, 18278862]

約数ペア:

[(1, 18278862), (2, 9139431), (3, 6092954), (6, 3046477), (7, 2611266), (14, 1305633), (21, 870422), (42, 435211), (49, 373038), (79, 231378), (98, 186519), (147, 124346), (158, 115689), (237, 77126), (294, 62173), (474, 38563), (553, 33054), (787, 23226), (1106, 16527), (1574, 11613), (1659, 11018), (2361, 7742), (3318, 5509), (3871, 4722)]