19989235209

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{3301}}^1$

素因数の和:3526

約数の個数: 64

約数和(自身を含む): 30431232000

約数和(自身を除く): 10441996791

約数列:

[1, 3, 19, 23, 31, 57, 69, 93, 149, 437, 447, 589, 713, 1311, 1767, 2139, 2831, 3301, 3427, 4619, 8493, 9903, 10281, 13547, 13857, 40641, 62719, 65113, 75923, 87761, 102331, 106237, 188157, 195339, 227769, 263283, 306993, 318711, 491849, 1442537, 1475547, 1944289, 2018503, 2353613, 4327611, 5832867, 6055509, 7060839, 9345131, 11312527, 15247319, 28035393, 33937581, 44718647, 45741957, 134155941, 214938013, 289699061, 350688337, 644814039, 869097183, 1052065011, 6663078403, 19989235209]

約数ペア:

[(1, 19989235209), (3, 6663078403), (19, 1052065011), (23, 869097183), (31, 644814039), (57, 350688337), (69, 289699061), (93, 214938013), (149, 134155941), (437, 45741957), (447, 44718647), (589, 33937581), (713, 28035393), (1311, 15247319), (1767, 11312527), (2139, 9345131), (2831, 7060839), (3301, 6055509), (3427, 5832867), (4619, 4327611), (8493, 2353613), (9903, 2018503), (10281, 1944289), (13547, 1475547), (13857, 1442537), (40641, 491849), (62719, 318711), (65113, 306993), (75923, 263283), (87761, 227769), (102331, 195339), (106237, 188157)]