18987190

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2663}}^1$

素因数の和:2724

約数の個数: 32

約数和(自身を含む): 36827136

約数和(自身を除く): 17839946

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 230, 310, 713, 1426, 2663, 3565, 5326, 7130, 13315, 26630, 61249, 82553, 122498, 165106, 306245, 412765, 612490, 825530, 1898719, 3797438, 9493595, 18987190]

約数ペア:

[(1, 18987190), (2, 9493595), (5, 3797438), (10, 1898719), (23, 825530), (31, 612490), (46, 412765), (62, 306245), (115, 165106), (155, 122498), (230, 82553), (310, 61249), (713, 26630), (1426, 13315), (2663, 7130), (3565, 5326)]