19387904

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{1993}}^1$

素因数の和:2030

約数の個数: 40

約数和(自身を含む): 40797240

約数和(自身を除く): 21409336

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 1993, 2432, 3986, 4864, 7972, 9728, 15944, 31888, 37867, 63776, 75734, 127552, 151468, 255104, 302936, 510208, 605872, 1020416, 1211744, 2423488, 4846976, 9693952, 19387904]

約数ペア:

[(1, 19387904), (2, 9693952), (4, 4846976), (8, 2423488), (16, 1211744), (19, 1020416), (32, 605872), (38, 510208), (64, 302936), (76, 255104), (128, 151468), (152, 127552), (256, 75734), (304, 63776), (512, 37867), (608, 31888), (1216, 15944), (1993, 9728), (2432, 7972), (3986, 4864)]