18910638

素因数分解:

$2^1\times 3^3\times {\mathrm{47}}^1\times {\mathrm{7451}}^1$

素因数の和:7509

約数の個数: 32

約数和(自身を含む): 42923520

約数和(自身を除く): 24012882

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 94, 141, 282, 423, 846, 1269, 2538, 7451, 14902, 22353, 44706, 67059, 134118, 201177, 350197, 402354, 700394, 1050591, 2101182, 3151773, 6303546, 9455319, 18910638]

約数ペア:

[(1, 18910638), (2, 9455319), (3, 6303546), (6, 3151773), (9, 2101182), (18, 1050591), (27, 700394), (47, 402354), (54, 350197), (94, 201177), (141, 134118), (282, 67059), (423, 44706), (846, 22353), (1269, 14902), (2538, 7451)]