19983208

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4517}}^1$

素因数の和:4609

約数の個数: 32

約数和(自身を含む): 43372800

約数和(自身を除く): 23389592

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4424, 4517, 9034, 18068, 31619, 36136, 63238, 126476, 252952, 356843, 713686, 1427372, 2497901, 2854744, 4995802, 9991604, 19983208]

約数ペア:

[(1, 19983208), (2, 9991604), (4, 4995802), (7, 2854744), (8, 2497901), (14, 1427372), (28, 713686), (56, 356843), (79, 252952), (158, 126476), (316, 63238), (553, 36136), (632, 31619), (1106, 18068), (2212, 9034), (4424, 4517)]