19799700481

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{691}}^1\times {\mathrm{2917}}^1$

素因数の和:3685

約数の個数: 32

約数和(自身を含む): 23261829120

約数和(自身を除く): 3462128639

約数列:

[1, 11, 19, 47, 209, 517, 691, 893, 2917, 7601, 9823, 13129, 32087, 32477, 55423, 137099, 144419, 357247, 609653, 617063, 1508089, 2015647, 2604881, 6787693, 22172117, 28653691, 38297293, 94735409, 421270223, 1042089499, 1799972771, 19799700481]

約数ペア:

[(1, 19799700481), (11, 1799972771), (19, 1042089499), (47, 421270223), (209, 94735409), (517, 38297293), (691, 28653691), (893, 22172117), (2917, 6787693), (7601, 2604881), (9823, 2015647), (13129, 1508089), (32087, 617063), (32477, 609653), (55423, 357247), (137099, 144419)]