18578056

素因数分解:

$2^3\times 7^2\times {\mathrm{83}}^1\times {\mathrm{571}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 41081040

約数和(自身を除く): 22502984

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 83, 98, 166, 196, 332, 392, 571, 581, 664, 1142, 1162, 2284, 2324, 3997, 4067, 4568, 4648, 7994, 8134, 15988, 16268, 27979, 31976, 32536, 47393, 55958, 94786, 111916, 189572, 223832, 331751, 379144, 663502, 1327004, 2322257, 2654008, 4644514, 9289028, 18578056]

約数ペア:

[(1, 18578056), (2, 9289028), (4, 4644514), (7, 2654008), (8, 2322257), (14, 1327004), (28, 663502), (49, 379144), (56, 331751), (83, 223832), (98, 189572), (166, 111916), (196, 94786), (332, 55958), (392, 47393), (571, 32536), (581, 31976), (664, 27979), (1142, 16268), (1162, 15988), (2284, 8134), (2324, 7994), (3997, 4648), (4067, 4568)]