18831488

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{11317}}^1$

素因数の和:11344

約数の個数: 32

約数和(自身を含む): 40405260

約数和(自身を除く): 21573772

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 11317, 22634, 45268, 90536, 147121, 181072, 294242, 362144, 588484, 724288, 1176968, 1448576, 2353936, 4707872, 9415744, 18831488]

約数ペア:

[(1, 18831488), (2, 9415744), (4, 4707872), (8, 2353936), (13, 1448576), (16, 1176968), (26, 724288), (32, 588484), (52, 362144), (64, 294242), (104, 181072), (128, 147121), (208, 90536), (416, 45268), (832, 22634), (1664, 11317)]