21819904

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{2243}}^1$

素因数の和:2280

約数の個数: 40

約数和(自身を含む): 45912240

約数和(自身を除く): 24092336

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 2243, 2432, 4486, 4864, 8972, 9728, 17944, 35888, 42617, 71776, 85234, 143552, 170468, 287104, 340936, 574208, 681872, 1148416, 1363744, 2727488, 5454976, 10909952, 21819904]

約数ペア:

[(1, 21819904), (2, 10909952), (4, 5454976), (8, 2727488), (16, 1363744), (19, 1148416), (32, 681872), (38, 574208), (64, 340936), (76, 287104), (128, 170468), (152, 143552), (256, 85234), (304, 71776), (512, 42617), (608, 35888), (1216, 17944), (2243, 9728), (2432, 8972), (4486, 4864)]