18743998

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{569}}^1$

素因数の和:772

約数の個数: 32

約数和(自身を含む): 34856640

約数和(自身を除く): 16112642

約数列:

[1, 2, 7, 13, 14, 26, 91, 181, 182, 362, 569, 1138, 1267, 2353, 2534, 3983, 4706, 7397, 7966, 14794, 16471, 32942, 51779, 102989, 103558, 205978, 720923, 1338857, 1441846, 2677714, 9371999, 18743998]

約数ペア:

[(1, 18743998), (2, 9371999), (7, 2677714), (13, 1441846), (14, 1338857), (26, 720923), (91, 205978), (181, 103558), (182, 102989), (362, 51779), (569, 32942), (1138, 16471), (1267, 14794), (2353, 7966), (2534, 7397), (3983, 4706)]