18891678

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{242201}}^1$

素因数の和:242219

約数の個数: 16

約数和(自身を含む): 40689936

約数和(自身を除く): 21798258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 242201, 484402, 726603, 1453206, 3148613, 6297226, 9445839, 18891678]

約数ペア:

[(1, 18891678), (2, 9445839), (3, 6297226), (6, 3148613), (13, 1453206), (26, 726603), (39, 484402), (78, 242201)]