19980894

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{3307}}^1$

素因数の和:3384

約数の個数: 32

約数和(自身を含む): 42871680

約数和(自身を除く): 22890786

約数列:

[1, 2, 3, 6, 19, 38, 53, 57, 106, 114, 159, 318, 1007, 2014, 3021, 3307, 6042, 6614, 9921, 19842, 62833, 125666, 175271, 188499, 350542, 376998, 525813, 1051626, 3330149, 6660298, 9990447, 19980894]

約数ペア:

[(1, 19980894), (2, 9990447), (3, 6660298), (6, 3330149), (19, 1051626), (38, 525813), (53, 376998), (57, 350542), (106, 188499), (114, 175271), (159, 125666), (318, 62833), (1007, 19842), (2014, 9921), (3021, 6614), (3307, 6042)]