19402984

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6203}}^1$

素因数の和:6249

約数の個数: 32

約数和(自身を含む): 40201920

約数和(自身を除く): 20798936

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 391, 782, 1564, 3128, 6203, 12406, 24812, 49624, 105451, 142669, 210902, 285338, 421804, 570676, 843608, 1141352, 2425373, 4850746, 9701492, 19402984]

約数ペア:

[(1, 19402984), (2, 9701492), (4, 4850746), (8, 2425373), (17, 1141352), (23, 843608), (34, 570676), (46, 421804), (68, 285338), (92, 210902), (136, 142669), (184, 105451), (391, 49624), (782, 24812), (1564, 12406), (3128, 6203)]