18644624

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61331}}^1$

素因数の和:61358

約数の個数: 20

約数和(自身を含む): 38025840

約数和(自身を除く): 19381216

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 61331, 122662, 245324, 490648, 981296, 1165289, 2330578, 4661156, 9322312, 18644624]

約数ペア:

[(1, 18644624), (2, 9322312), (4, 4661156), (8, 2330578), (16, 1165289), (19, 981296), (38, 490648), (76, 245324), (152, 122662), (304, 61331)]