19698376

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{601}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 39334680

約数和(自身を除く): 19636304

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 241, 482, 601, 964, 1202, 1928, 2404, 4097, 4808, 8194, 10217, 16388, 20434, 32776, 40868, 81736, 144841, 289682, 579364, 1158728, 2462297, 4924594, 9849188, 19698376]

約数ペア:

[(1, 19698376), (2, 9849188), (4, 4924594), (8, 2462297), (17, 1158728), (34, 579364), (68, 289682), (136, 144841), (241, 81736), (482, 40868), (601, 32776), (964, 20434), (1202, 16388), (1928, 10217), (2404, 8194), (4097, 4808)]