12247780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 27377280

約数和(自身を除く): 15129500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 167, 190, 193, 334, 380, 386, 668, 772, 835, 965, 1670, 1930, 3173, 3340, 3667, 3860, 6346, 7334, 12692, 14668, 15865, 18335, 31730, 32231, 36670, 63460, 64462, 73340, 128924, 161155, 322310, 612389, 644620, 1224778, 2449556, 3061945, 6123890, 12247780]

約数ペア:

[(1, 12247780), (2, 6123890), (4, 3061945), (5, 2449556), (10, 1224778), (19, 644620), (20, 612389), (38, 322310), (76, 161155), (95, 128924), (167, 73340), (190, 64462), (193, 63460), (334, 36670), (380, 32231), (386, 31730), (668, 18335), (772, 15865), (835, 14668), (965, 12692), (1670, 7334), (1930, 6346), (3173, 3860), (3340, 3667)]