18869223

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 28454400

約数和(自身を除く): 9585177

約数列:

[1, 3, 19, 23, 37, 57, 69, 111, 389, 437, 703, 851, 1167, 1311, 2109, 2553, 7391, 8947, 14393, 16169, 22173, 26841, 43179, 48507, 169993, 273467, 331039, 509979, 820401, 993117, 6289741, 18869223]

約数ペア:

[(1, 18869223), (3, 6289741), (19, 993117), (23, 820401), (37, 509979), (57, 331039), (69, 273467), (111, 169993), (389, 48507), (437, 43179), (703, 26841), (851, 22173), (1167, 16169), (1311, 14393), (2109, 8947), (2553, 7391)]