18564112

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1997}}^1$

素因数の和:2095

約数の個数: 40

約数和(自身を含む): 41622336

約数和(自身を除く): 23058224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 112, 166, 332, 581, 664, 1162, 1328, 1997, 2324, 3994, 4648, 7988, 9296, 13979, 15976, 27958, 31952, 55916, 111832, 165751, 223664, 331502, 663004, 1160257, 1326008, 2320514, 2652016, 4641028, 9282056, 18564112]

約数ペア:

[(1, 18564112), (2, 9282056), (4, 4641028), (7, 2652016), (8, 2320514), (14, 1326008), (16, 1160257), (28, 663004), (56, 331502), (83, 223664), (112, 165751), (166, 111832), (332, 55916), (581, 31952), (664, 27958), (1162, 15976), (1328, 13979), (1997, 9296), (2324, 7988), (3994, 4648)]