18042442

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:414

約数の個数: 32

約数和(自身を含む): 31135104

約数和(自身を除く): 13092662

約数列:

[1, 2, 11, 22, 23, 46, 181, 197, 253, 362, 394, 506, 1991, 2167, 3982, 4163, 4334, 4531, 8326, 9062, 35657, 45793, 49841, 71314, 91586, 99682, 392227, 784454, 820111, 1640222, 9021221, 18042442]

約数ペア:

[(1, 18042442), (2, 9021221), (11, 1640222), (22, 820111), (23, 784454), (46, 392227), (181, 99682), (197, 91586), (253, 71314), (362, 49841), (394, 45793), (506, 35657), (1991, 9062), (2167, 8326), (3982, 4531), (4163, 4334)]