19237936

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{857}}^1$

素因数の和:949

約数の個数: 40

約数和(自身を含む): 39577824

約数和(自身を除く): 20339888

約数列:

[1, 2, 4, 8, 16, 23, 46, 61, 92, 122, 184, 244, 368, 488, 857, 976, 1403, 1714, 2806, 3428, 5612, 6856, 11224, 13712, 19711, 22448, 39422, 52277, 78844, 104554, 157688, 209108, 315376, 418216, 836432, 1202371, 2404742, 4809484, 9618968, 19237936]

約数ペア:

[(1, 19237936), (2, 9618968), (4, 4809484), (8, 2404742), (16, 1202371), (23, 836432), (46, 418216), (61, 315376), (92, 209108), (122, 157688), (184, 104554), (244, 78844), (368, 52277), (488, 39422), (857, 22448), (976, 19711), (1403, 13712), (1714, 11224), (2806, 6856), (3428, 5612)]