19899796

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{5113}}^1$

素因数の和:5263

約数の個数: 24

約数和(自身を含む): 40093760

約数和(自身を除く): 20193964

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 5113, 10226, 20452, 35791, 71582, 143164, 710707, 1421414, 2842828, 4974949, 9949898, 19899796]

約数ペア:

[(1, 19899796), (2, 9949898), (4, 4974949), (7, 2842828), (14, 1421414), (28, 710707), (139, 143164), (278, 71582), (556, 35791), (973, 20452), (1946, 10226), (3892, 5113)]