19812944

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{26347}}^1$

素因数の和:26402

約数の個数: 20

約数和(自身を含む): 39205824

約数和(自身を除く): 19392880

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 26347, 52694, 105388, 210776, 421552, 1238309, 2476618, 4953236, 9906472, 19812944]

約数ペア:

[(1, 19812944), (2, 9906472), (4, 4953236), (8, 2476618), (16, 1238309), (47, 421552), (94, 210776), (188, 105388), (376, 52694), (752, 26347)]