19121912

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 36763200

約数和(自身を除く): 17641288

約数列:

[1, 2, 4, 8, 73, 137, 146, 239, 274, 292, 478, 548, 584, 956, 1096, 1912, 10001, 17447, 20002, 32743, 34894, 40004, 65486, 69788, 80008, 130972, 139576, 261944, 2390239, 4780478, 9560956, 19121912]

約数ペア:

[(1, 19121912), (2, 9560956), (4, 4780478), (8, 2390239), (73, 261944), (137, 139576), (146, 130972), (239, 80008), (274, 69788), (292, 65486), (478, 40004), (548, 34894), (584, 32743), (956, 20002), (1096, 17447), (1912, 10001)]