19310972

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 34428240

約数和(自身を除く): 15117268

約数列:

[1, 2, 4, 131, 137, 262, 269, 274, 524, 538, 548, 1076, 17947, 35239, 35894, 36853, 70478, 71788, 73706, 140956, 147412, 4827743, 9655486, 19310972]

約数ペア:

[(1, 19310972), (2, 9655486), (4, 4827743), (131, 147412), (137, 140956), (262, 73706), (269, 71788), (274, 70478), (524, 36853), (538, 35894), (548, 35239), (1076, 17947)]