19890846

素因数分解:

$2^1\times 3^4\times {\mathrm{199}}^1\times {\mathrm{617}}^1$

素因数の和:830

約数の個数: 40

約数和(自身を含む): 44866800

約数和(自身を除く): 24975954

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 199, 398, 597, 617, 1194, 1234, 1791, 1851, 3582, 3702, 5373, 5553, 10746, 11106, 16119, 16659, 32238, 33318, 49977, 99954, 122783, 245566, 368349, 736698, 1105047, 2210094, 3315141, 6630282, 9945423, 19890846]

約数ペア:

[(1, 19890846), (2, 9945423), (3, 6630282), (6, 3315141), (9, 2210094), (18, 1105047), (27, 736698), (54, 368349), (81, 245566), (162, 122783), (199, 99954), (398, 49977), (597, 33318), (617, 32238), (1194, 16659), (1234, 16119), (1791, 11106), (1851, 10746), (3582, 5553), (3702, 5373)]