19508516

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1303}}^1$

素因数の和:1523

約数の個数: 24

約数和(自身を含む): 36146880

約数和(自身を除く): 16638364

約数列:

[1, 2, 4, 19, 38, 76, 197, 394, 788, 1303, 2606, 3743, 5212, 7486, 14972, 24757, 49514, 99028, 256691, 513382, 1026764, 4877129, 9754258, 19508516]

約数ペア:

[(1, 19508516), (2, 9754258), (4, 4877129), (19, 1026764), (38, 513382), (76, 256691), (197, 99028), (394, 49514), (788, 24757), (1303, 14972), (2606, 7486), (3743, 5212)]