19145008

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{887}}^1$

素因数の和:985

約数の個数: 40

約数和(自身を含む): 39640320

約数和(自身を除く): 20495312

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 142, 152, 284, 304, 568, 887, 1136, 1349, 1774, 2698, 3548, 5396, 7096, 10792, 14192, 16853, 21584, 33706, 62977, 67412, 125954, 134824, 251908, 269648, 503816, 1007632, 1196563, 2393126, 4786252, 9572504, 19145008]

約数ペア:

[(1, 19145008), (2, 9572504), (4, 4786252), (8, 2393126), (16, 1196563), (19, 1007632), (38, 503816), (71, 269648), (76, 251908), (142, 134824), (152, 125954), (284, 67412), (304, 62977), (568, 33706), (887, 21584), (1136, 16853), (1349, 14192), (1774, 10792), (2698, 7096), (3548, 5396)]