18779216144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{90284693}}^1$

素因数の和:90284714

約数の個数: 20

約数和(自身を含む): 39183557196

約数和(自身を除く): 20404341052

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 90284693, 180569386, 361138772, 722277544, 1173701009, 1444555088, 2347402018, 4694804036, 9389608072, 18779216144]

約数ペア:

[(1, 18779216144), (2, 9389608072), (4, 4694804036), (8, 2347402018), (13, 1444555088), (16, 1173701009), (26, 722277544), (52, 361138772), (104, 180569386), (208, 90284693)]