19933758

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5011}}^1$

素因数の和:5049

約数の個数: 48

約数和(自身を含む): 49257936

約数和(自身を除く): 29324178

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 5011, 10022, 15033, 30066, 45099, 65143, 85187, 90198, 130286, 170374, 195429, 255561, 390858, 511122, 586287, 766683, 1107431, 1172574, 1533366, 2214862, 3322293, 6644586, 9966879, 19933758]

約数ペア:

[(1, 19933758), (2, 9966879), (3, 6644586), (6, 3322293), (9, 2214862), (13, 1533366), (17, 1172574), (18, 1107431), (26, 766683), (34, 586287), (39, 511122), (51, 390858), (78, 255561), (102, 195429), (117, 170374), (153, 130286), (221, 90198), (234, 85187), (306, 65143), (442, 45099), (663, 30066), (1326, 15033), (1989, 10022), (3978, 5011)]