19919336

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 38253600

約数和(自身を除く): 18334264

約数列:

[1, 2, 4, 8, 83, 131, 166, 229, 262, 332, 458, 524, 664, 916, 1048, 1832, 10873, 19007, 21746, 29999, 38014, 43492, 59998, 76028, 86984, 119996, 152056, 239992, 2489917, 4979834, 9959668, 19919336]

約数ペア:

[(1, 19919336), (2, 9959668), (4, 4979834), (8, 2489917), (83, 239992), (131, 152056), (166, 119996), (229, 86984), (262, 76028), (332, 59998), (458, 43492), (524, 38014), (664, 29999), (916, 21746), (1048, 19007), (1832, 10873)]