19215664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{92383}}^1$

素因数の和:92404

約数の個数: 20

約数和(自身を含む): 40094656

約数和(自身を除く): 20878992

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 92383, 184766, 369532, 739064, 1200979, 1478128, 2401958, 4803916, 9607832, 19215664]

約数ペア:

[(1, 19215664), (2, 9607832), (4, 4803916), (8, 2401958), (13, 1478128), (16, 1200979), (26, 739064), (52, 369532), (104, 184766), (208, 92383)]