189777776

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{3449}}^1$

素因数の和:3657

約数の個数: 40

約数和(自身を含む): 389298000

約数和(自身を除く): 199520224

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 181, 304, 362, 724, 1448, 2896, 3439, 3449, 6878, 6898, 13756, 13796, 27512, 27592, 55024, 55184, 65531, 131062, 262124, 524248, 624269, 1048496, 1248538, 2497076, 4994152, 9988304, 11861111, 23722222, 47444444, 94888888, 189777776]

約数ペア:

[(1, 189777776), (2, 94888888), (4, 47444444), (8, 23722222), (16, 11861111), (19, 9988304), (38, 4994152), (76, 2497076), (152, 1248538), (181, 1048496), (304, 624269), (362, 524248), (724, 262124), (1448, 131062), (2896, 65531), (3439, 55184), (3449, 55024), (6878, 27592), (6898, 27512), (13756, 13796)]