18519927

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 27525120

約数和(自身を除く): 9005193

約数列:

[1, 3, 19, 31, 47, 57, 93, 141, 223, 589, 669, 893, 1457, 1767, 2679, 4237, 4371, 6913, 10481, 12711, 20739, 27683, 31443, 83049, 131347, 199139, 324911, 394041, 597417, 974733, 6173309, 18519927]

約数ペア:

[(1, 18519927), (3, 6173309), (19, 974733), (31, 597417), (47, 394041), (57, 324911), (93, 199139), (141, 131347), (223, 83049), (589, 31443), (669, 27683), (893, 20739), (1457, 12711), (1767, 10481), (2679, 6913), (4237, 4371)]