19779899579312

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{267643153}}^1$

素因数の和:267643341

約数の個数: 40

約数和(自身を含む): 39825301315200

約数和(自身を除く): 20045401735888

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 149, 248, 298, 496, 596, 1192, 2384, 4619, 9238, 18476, 36952, 73904, 267643153, 535286306, 1070572612, 2141145224, 4282290448, 8296937743, 16593875486, 33187750972, 39878829797, 66375501944, 79757659594, 132751003888, 159515319188, 319030638376, 638061276752, 1236243723707, 2472487447414, 4944974894828, 9889949789656, 19779899579312]

約数ペア:

[(1, 19779899579312), (2, 9889949789656), (4, 4944974894828), (8, 2472487447414), (16, 1236243723707), (31, 638061276752), (62, 319030638376), (124, 159515319188), (149, 132751003888), (248, 79757659594), (298, 66375501944), (496, 39878829797), (596, 33187750972), (1192, 16593875486), (2384, 8296937743), (4619, 4282290448), (9238, 2141145224), (18476, 1070572612), (36952, 535286306), (73904, 267643153)]