19863928

素因数分解:

$2^3\times 7^1\times {\mathrm{431}}^1\times {\mathrm{823}}^1$

素因数の和:1267

約数の個数: 32

約数和(自身を含む): 42716160

約数和(自身を除く): 22852232

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 431, 823, 862, 1646, 1724, 3017, 3292, 3448, 5761, 6034, 6584, 11522, 12068, 23044, 24136, 46088, 354713, 709426, 1418852, 2482991, 2837704, 4965982, 9931964, 19863928]

約数ペア:

[(1, 19863928), (2, 9931964), (4, 4965982), (7, 2837704), (8, 2482991), (14, 1418852), (28, 709426), (56, 354713), (431, 46088), (823, 24136), (862, 23044), (1646, 12068), (1724, 11522), (3017, 6584), (3292, 6034), (3448, 5761)]