18644742

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{1621}}^1$

素因数の和:1706

約数の個数: 40

約数和(自身を含む): 42392592

約数和(自身を除く): 23747850

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 426, 639, 1278, 1621, 1917, 3242, 3834, 4863, 5751, 9726, 11502, 14589, 29178, 43767, 87534, 115091, 131301, 230182, 262602, 345273, 690546, 1035819, 2071638, 3107457, 6214914, 9322371, 18644742]

約数ペア:

[(1, 18644742), (2, 9322371), (3, 6214914), (6, 3107457), (9, 2071638), (18, 1035819), (27, 690546), (54, 345273), (71, 262602), (81, 230182), (142, 131301), (162, 115091), (213, 87534), (426, 43767), (639, 29178), (1278, 14589), (1621, 11502), (1917, 9726), (3242, 5751), (3834, 4863)]