18516316

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^3\times {\mathrm{43}}^1$

素因数の和:100

約数の個数: 72

約数和(自身を含む): 41783280

約数和(自身を除く): 23266964

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 49, 52, 86, 91, 98, 169, 172, 182, 196, 301, 338, 364, 559, 602, 637, 676, 1118, 1183, 1204, 1274, 2107, 2197, 2236, 2366, 2548, 3913, 4214, 4394, 4732, 7267, 7826, 8281, 8428, 8788, 14534, 15379, 15652, 16562, 27391, 29068, 30758, 33124, 50869, 54782, 61516, 94471, 101738, 107653, 109564, 188942, 203476, 215306, 356083, 377884, 430612, 661297, 712166, 1322594, 1424332, 2645188, 4629079, 9258158, 18516316]

約数ペア:

[(1, 18516316), (2, 9258158), (4, 4629079), (7, 2645188), (13, 1424332), (14, 1322594), (26, 712166), (28, 661297), (43, 430612), (49, 377884), (52, 356083), (86, 215306), (91, 203476), (98, 188942), (169, 109564), (172, 107653), (182, 101738), (196, 94471), (301, 61516), (338, 54782), (364, 50869), (559, 33124), (602, 30758), (637, 29068), (676, 27391), (1118, 16562), (1183, 15652), (1204, 15379), (1274, 14534), (2107, 8788), (2197, 8428), (2236, 8281), (2366, 7826), (2548, 7267), (3913, 4732), (4214, 4394)]