19876144

素因数分解:

$2^4\times {\mathrm{41}}^2\times {\mathrm{739}}^1$

素因数の和:829

約数の個数: 30

約数和(自身を含む): 39525620

約数和(自身を除く): 19649476

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 739, 1478, 1681, 2956, 3362, 5912, 6724, 11824, 13448, 26896, 30299, 60598, 121196, 242392, 484784, 1242259, 2484518, 4969036, 9938072, 19876144]

約数ペア:

[(1, 19876144), (2, 9938072), (4, 4969036), (8, 2484518), (16, 1242259), (41, 484784), (82, 242392), (164, 121196), (328, 60598), (656, 30299), (739, 26896), (1478, 13448), (1681, 11824), (2956, 6724), (3362, 5912)]