18854712

素因数分解:

$2^3\times 3^2\times {\mathrm{307}}^1\times {\mathrm{853}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 51291240

約数和(自身を除く): 32436528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 307, 614, 853, 921, 1228, 1706, 1842, 2456, 2559, 2763, 3412, 3684, 5118, 5526, 6824, 7368, 7677, 10236, 11052, 15354, 20472, 22104, 30708, 61416, 261871, 523742, 785613, 1047484, 1571226, 2094968, 2356839, 3142452, 4713678, 6284904, 9427356, 18854712]

約数ペア:

[(1, 18854712), (2, 9427356), (3, 6284904), (4, 4713678), (6, 3142452), (8, 2356839), (9, 2094968), (12, 1571226), (18, 1047484), (24, 785613), (36, 523742), (72, 261871), (307, 61416), (614, 30708), (853, 22104), (921, 20472), (1228, 15354), (1706, 11052), (1842, 10236), (2456, 7677), (2559, 7368), (2763, 6824), (3412, 5526), (3684, 5118)]