18915662272

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1337363}}^1$

素因数の和:1337405

約数の個数: 56

約数和(自身を含む): 42800997456

約数和(自身を除く): 23885335184

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 136, 208, 221, 272, 416, 442, 544, 832, 884, 1088, 1768, 3536, 7072, 14144, 1337363, 2674726, 5349452, 10698904, 17385719, 21397808, 22735171, 34771438, 42795616, 45470342, 69542876, 85591232, 90940684, 139085752, 181881368, 278171504, 295557223, 363762736, 556343008, 591114446, 727525472, 1112686016, 1182228892, 1455050944, 2364457784, 4728915568, 9457831136, 18915662272]

約数ペア:

[(1, 18915662272), (2, 9457831136), (4, 4728915568), (8, 2364457784), (13, 1455050944), (16, 1182228892), (17, 1112686016), (26, 727525472), (32, 591114446), (34, 556343008), (52, 363762736), (64, 295557223), (68, 278171504), (104, 181881368), (136, 139085752), (208, 90940684), (221, 85591232), (272, 69542876), (416, 45470342), (442, 42795616), (544, 34771438), (832, 22735171), (884, 21397808), (1088, 17385719), (1768, 10698904), (3536, 5349452), (7072, 2674726), (14144, 1337363)]