15940974

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{919}}^1$

素因数の和:997

約数の個数: 48

約数和(自身を含む): 37756800

約数和(自身を除く): 21815826

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 59, 98, 118, 147, 177, 294, 354, 413, 826, 919, 1239, 1838, 2478, 2757, 2891, 5514, 5782, 6433, 8673, 12866, 17346, 19299, 38598, 45031, 54221, 90062, 108442, 135093, 162663, 270186, 325326, 379547, 759094, 1138641, 2277282, 2656829, 5313658, 7970487, 15940974]

約数ペア:

[(1, 15940974), (2, 7970487), (3, 5313658), (6, 2656829), (7, 2277282), (14, 1138641), (21, 759094), (42, 379547), (49, 325326), (59, 270186), (98, 162663), (118, 135093), (147, 108442), (177, 90062), (294, 54221), (354, 45031), (413, 38598), (826, 19299), (919, 17346), (1239, 12866), (1838, 8673), (2478, 6433), (2757, 5782), (2891, 5514)]