19707312

素因数分解:

$2^4\times 3^1\times {\mathrm{151}}^1\times {\mathrm{2719}}^1$

素因数の和:2881

約数の個数: 40

約数和(自身を含む): 51266560

約数和(自身を除く): 31559248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 151, 302, 453, 604, 906, 1208, 1812, 2416, 2719, 3624, 5438, 7248, 8157, 10876, 16314, 21752, 32628, 43504, 65256, 130512, 410569, 821138, 1231707, 1642276, 2463414, 3284552, 4926828, 6569104, 9853656, 19707312]

約数ペア:

[(1, 19707312), (2, 9853656), (3, 6569104), (4, 4926828), (6, 3284552), (8, 2463414), (12, 1642276), (16, 1231707), (24, 821138), (48, 410569), (151, 130512), (302, 65256), (453, 43504), (604, 32628), (906, 21752), (1208, 16314), (1812, 10876), (2416, 8157), (2719, 7248), (3624, 5438)]