19740812

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{281}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 42891072

約数和(自身を除く): 23150260

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 193, 281, 364, 386, 562, 772, 1124, 1351, 1967, 2509, 2702, 3653, 3934, 5018, 5404, 7306, 7868, 10036, 14612, 17563, 25571, 35126, 51142, 54233, 70252, 102284, 108466, 216932, 379631, 705029, 759262, 1410058, 1518524, 2820116, 4935203, 9870406, 19740812]

約数ペア:

[(1, 19740812), (2, 9870406), (4, 4935203), (7, 2820116), (13, 1518524), (14, 1410058), (26, 759262), (28, 705029), (52, 379631), (91, 216932), (182, 108466), (193, 102284), (281, 70252), (364, 54233), (386, 51142), (562, 35126), (772, 25571), (1124, 17563), (1351, 14612), (1967, 10036), (2509, 7868), (2702, 7306), (3653, 5404), (3934, 5018)]