19400144

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{20551}}^1$

素因数の和:20618

約数の個数: 20

約数和(自身を含む): 38226720

約数和(自身を除く): 18826576

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 20551, 41102, 82204, 164408, 328816, 1212509, 2425018, 4850036, 9700072, 19400144]

約数ペア:

[(1, 19400144), (2, 9700072), (4, 4850036), (8, 2425018), (16, 1212509), (59, 328816), (118, 164408), (236, 82204), (472, 41102), (944, 20551)]