18753584

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{68947}}^1$

素因数の和:68972

約数の個数: 20

約数和(自身を含む): 38472984

約数和(自身を除く): 19719400

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 68947, 137894, 275788, 551576, 1103152, 1172099, 2344198, 4688396, 9376792, 18753584]

約数ペア:

[(1, 18753584), (2, 9376792), (4, 4688396), (8, 2344198), (16, 1172099), (17, 1103152), (34, 551576), (68, 275788), (136, 137894), (272, 68947)]