19688704

素因数分解:

$2^8\times 7^1\times {\mathrm{10987}}^1$

素因数の和:11010

約数の個数: 36

約数和(自身を含む): 44918944

約数和(自身を除く): 25230240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 10987, 21974, 43948, 76909, 87896, 153818, 175792, 307636, 351584, 615272, 703168, 1230544, 1406336, 2461088, 2812672, 4922176, 9844352, 19688704]

約数ペア:

[(1, 19688704), (2, 9844352), (4, 4922176), (7, 2812672), (8, 2461088), (14, 1406336), (16, 1230544), (28, 703168), (32, 615272), (56, 351584), (64, 307636), (112, 175792), (128, 153818), (224, 87896), (256, 76909), (448, 43948), (896, 21974), (1792, 10987)]