17978996

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{353}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 38537856

約数和(自身を除く): 20558860

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 107, 119, 214, 238, 353, 428, 476, 706, 749, 1412, 1498, 1819, 2471, 2996, 3638, 4942, 6001, 7276, 9884, 12002, 12733, 24004, 25466, 37771, 42007, 50932, 75542, 84014, 151084, 168028, 264397, 528794, 642107, 1057588, 1284214, 2568428, 4494749, 8989498, 17978996]

約数ペア:

[(1, 17978996), (2, 8989498), (4, 4494749), (7, 2568428), (14, 1284214), (17, 1057588), (28, 642107), (34, 528794), (68, 264397), (107, 168028), (119, 151084), (214, 84014), (238, 75542), (353, 50932), (428, 42007), (476, 37771), (706, 25466), (749, 24004), (1412, 12733), (1498, 12002), (1819, 9884), (2471, 7276), (2996, 6001), (3638, 4942)]