19782250

素因数分解:

$2^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{1493}}^1$

素因数の和:1563

約数の個数: 32

約数和(自身を含む): 37756368

約数和(自身を除く): 17974118

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 125, 250, 265, 530, 1325, 1493, 2650, 2986, 6625, 7465, 13250, 14930, 37325, 74650, 79129, 158258, 186625, 373250, 395645, 791290, 1978225, 3956450, 9891125, 19782250]

約数ペア:

[(1, 19782250), (2, 9891125), (5, 3956450), (10, 1978225), (25, 791290), (50, 395645), (53, 373250), (106, 186625), (125, 158258), (250, 79129), (265, 74650), (530, 37325), (1325, 14930), (1493, 13250), (2650, 7465), (2986, 6625)]