19743892

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{5147}}^1$

素因数の和:5295

約数の個数: 24

約数和(自身を含む): 39783744

約数和(自身を除く): 20039852

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 5147, 10294, 20588, 36029, 72058, 144116, 705139, 1410278, 2820556, 4935973, 9871946, 19743892]

約数ペア:

[(1, 19743892), (2, 9871946), (4, 4935973), (7, 2820556), (14, 1410278), (28, 705139), (137, 144116), (274, 72058), (548, 36029), (959, 20588), (1918, 10294), (3836, 5147)]