19998973956

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{229}}^1\times {\mathrm{43063}}^1$

素因数の和:43325

約数の個数: 72

約数和(自身を含む): 50751785280

約数和(自身を除く): 30752811324

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 229, 338, 458, 507, 676, 687, 916, 1014, 1374, 2028, 2748, 2977, 5954, 8931, 11908, 17862, 35724, 38701, 43063, 77402, 86126, 116103, 129189, 154804, 172252, 232206, 258378, 464412, 516756, 559819, 1119638, 1679457, 2239276, 3358914, 6717828, 7277647, 9861427, 14555294, 19722854, 21832941, 29110588, 29584281, 39445708, 43665882, 59168562, 87331764, 118337124, 128198551, 256397102, 384595653, 512794204, 769191306, 1538382612, 1666581163, 3333162326, 4999743489, 6666324652, 9999486978, 19998973956]

約数ペア:

[(1, 19998973956), (2, 9999486978), (3, 6666324652), (4, 4999743489), (6, 3333162326), (12, 1666581163), (13, 1538382612), (26, 769191306), (39, 512794204), (52, 384595653), (78, 256397102), (156, 128198551), (169, 118337124), (229, 87331764), (338, 59168562), (458, 43665882), (507, 39445708), (676, 29584281), (687, 29110588), (916, 21832941), (1014, 19722854), (1374, 14555294), (2028, 9861427), (2748, 7277647), (2977, 6717828), (5954, 3358914), (8931, 2239276), (11908, 1679457), (17862, 1119638), (35724, 559819), (38701, 516756), (43063, 464412), (77402, 258378), (86126, 232206), (116103, 172252), (129189, 154804)]