18316928

素因数分解:

$2^7\times 7^1\times {\mathrm{20443}}^1$

素因数の和:20464

約数の個数: 32

約数和(自身を含む): 41705760

約数和(自身を除く): 23388832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 20443, 40886, 81772, 143101, 163544, 286202, 327088, 572404, 654176, 1144808, 1308352, 2289616, 2616704, 4579232, 9158464, 18316928]

約数ペア:

[(1, 18316928), (2, 9158464), (4, 4579232), (7, 2616704), (8, 2289616), (14, 1308352), (16, 1144808), (28, 654176), (32, 572404), (56, 327088), (64, 286202), (112, 163544), (128, 143101), (224, 81772), (448, 40886), (896, 20443)]