18631808

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{11197}}^1$

素因数の和:11224

約数の個数: 32

約数和(自身を含む): 39976860

約数和(自身を除く): 21345052

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 11197, 22394, 44788, 89576, 145561, 179152, 291122, 358304, 582244, 716608, 1164488, 1433216, 2328976, 4657952, 9315904, 18631808]

約数ペア:

[(1, 18631808), (2, 9315904), (4, 4657952), (8, 2328976), (13, 1433216), (16, 1164488), (26, 716608), (32, 582244), (52, 358304), (64, 291122), (104, 179152), (128, 145561), (208, 89576), (416, 44788), (832, 22394), (1664, 11197)]