19343943

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{239}}^1$

素因数の和:308

約数の個数: 36

約数和(自身を含む): 31056480

約数和(自身を除く): 11712537

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 239, 391, 529, 717, 1173, 1587, 2151, 3519, 4063, 4761, 5497, 8993, 12189, 16491, 26979, 36567, 49473, 80937, 93449, 126431, 280347, 379293, 841041, 1137879, 2149327, 6447981, 19343943]

約数ペア:

[(1, 19343943), (3, 6447981), (9, 2149327), (17, 1137879), (23, 841041), (51, 379293), (69, 280347), (153, 126431), (207, 93449), (239, 80937), (391, 49473), (529, 36567), (717, 26979), (1173, 16491), (1587, 12189), (2151, 8993), (3519, 5497), (4063, 4761)]