16983986

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 28926720

約数和(自身を除く): 11942734

約数列:

[1, 2, 17, 19, 34, 38, 61, 122, 323, 431, 646, 862, 1037, 1159, 2074, 2318, 7327, 8189, 14654, 16378, 19703, 26291, 39406, 52582, 139213, 278426, 446947, 499529, 893894, 999058, 8491993, 16983986]

約数ペア:

[(1, 16983986), (2, 8491993), (17, 999058), (19, 893894), (34, 499529), (38, 446947), (61, 278426), (122, 139213), (323, 52582), (431, 39406), (646, 26291), (862, 19703), (1037, 16378), (1159, 14654), (2074, 8189), (2318, 7327)]