19464704

素因数分解:

$2^9\times 7^1\times {\mathrm{5431}}^1$

素因数の和:5456

約数の個数: 40

約数和(自身を含む): 44455488

約数和(自身を除く): 24990784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5431, 10862, 21724, 38017, 43448, 76034, 86896, 152068, 173792, 304136, 347584, 608272, 695168, 1216544, 1390336, 2433088, 2780672, 4866176, 9732352, 19464704]

約数ペア:

[(1, 19464704), (2, 9732352), (4, 4866176), (7, 2780672), (8, 2433088), (14, 1390336), (16, 1216544), (28, 695168), (32, 608272), (56, 347584), (64, 304136), (112, 173792), (128, 152068), (224, 86896), (256, 76034), (448, 43448), (512, 38017), (896, 21724), (1792, 10862), (3584, 5431)]