18643712

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{3833}}^1$

素因数の和:3868

約数の個数: 36

約数和(自身を含む): 39183480

約数和(自身を除く): 20539768

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 3833, 4864, 7666, 15332, 30664, 61328, 72827, 122656, 145654, 245312, 291308, 490624, 582616, 981248, 1165232, 2330464, 4660928, 9321856, 18643712]

約数ペア:

[(1, 18643712), (2, 9321856), (4, 4660928), (8, 2330464), (16, 1165232), (19, 981248), (32, 582616), (38, 490624), (64, 291308), (76, 245312), (128, 145654), (152, 122656), (256, 72827), (304, 61328), (608, 30664), (1216, 15332), (2432, 7666), (3833, 4864)]