19862990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6599}}^1$

素因数の和:6656

約数の個数: 32

約数和(自身を含む): 41817600

約数和(自身を除く): 21954610

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 6599, 13198, 32995, 46193, 65990, 92386, 230965, 283757, 461930, 567514, 1418785, 1986299, 2837570, 3972598, 9931495, 19862990]

約数ペア:

[(1, 19862990), (2, 9931495), (5, 3972598), (7, 2837570), (10, 1986299), (14, 1418785), (35, 567514), (43, 461930), (70, 283757), (86, 230965), (215, 92386), (301, 65990), (430, 46193), (602, 32995), (1505, 13198), (3010, 6599)]