218772019972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{19346659}}^1$

素因数の和:19346931

約数の個数: 24

約数和(自身を含む): 419280815520

約数和(自身を除く): 200508795548

約数列:

[1, 2, 4, 11, 22, 44, 257, 514, 1028, 2827, 5654, 11308, 19346659, 38693318, 77386636, 212813249, 425626498, 851252996, 4972091363, 9944182726, 19888365452, 54693004993, 109386009986, 218772019972]

約数ペア:

[(1, 218772019972), (2, 109386009986), (4, 54693004993), (11, 19888365452), (22, 9944182726), (44, 4972091363), (257, 851252996), (514, 425626498), (1028, 212813249), (2827, 77386636), (5654, 38693318), (11308, 19346659)]