18353936

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{12889}}^1$

素因数の和:12986

約数の個数: 20

約数和(自身を含む): 35963100

約数和(自身を除く): 17609164

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 12889, 25778, 51556, 103112, 206224, 1147121, 2294242, 4588484, 9176968, 18353936]

約数ペア:

[(1, 18353936), (2, 9176968), (4, 4588484), (8, 2294242), (16, 1147121), (89, 206224), (178, 103112), (356, 51556), (712, 25778), (1424, 12889)]