15721908834

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{331}}^1\times {\mathrm{21929}}^1$

素因数の和:22303

約数の個数: 48

約数和(自身を含む): 33287634720

約数和(自身を除く): 17565725886

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 331, 361, 662, 722, 993, 1083, 1986, 2166, 6289, 12578, 18867, 21929, 37734, 43858, 65787, 119491, 131574, 238982, 358473, 416651, 716946, 833302, 1249953, 2499906, 7258499, 7916369, 14516998, 15832738, 21775497, 23749107, 43550994, 47498214, 137911481, 275822962, 413734443, 827468886, 2620318139, 5240636278, 7860954417, 15721908834]

約数ペア:

[(1, 15721908834), (2, 7860954417), (3, 5240636278), (6, 2620318139), (19, 827468886), (38, 413734443), (57, 275822962), (114, 137911481), (331, 47498214), (361, 43550994), (662, 23749107), (722, 21775497), (993, 15832738), (1083, 14516998), (1986, 7916369), (2166, 7258499), (6289, 2499906), (12578, 1249953), (18867, 833302), (21929, 716946), (37734, 416651), (43858, 358473), (65787, 238982), (119491, 131574)]