17985954

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:511

約数の個数: 64

約数和(自身を含む): 43997184

約数和(自身を除く): 26011230

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 43, 46, 69, 86, 129, 138, 161, 258, 301, 322, 433, 483, 602, 866, 903, 966, 989, 1299, 1806, 1978, 2598, 2967, 3031, 5934, 6062, 6923, 9093, 9959, 13846, 18186, 18619, 19918, 20769, 29877, 37238, 41538, 55857, 59754, 69713, 111714, 130333, 139426, 209139, 260666, 390999, 418278, 428237, 781998, 856474, 1284711, 2569422, 2997659, 5995318, 8992977, 17985954]

約数ペア:

[(1, 17985954), (2, 8992977), (3, 5995318), (6, 2997659), (7, 2569422), (14, 1284711), (21, 856474), (23, 781998), (42, 428237), (43, 418278), (46, 390999), (69, 260666), (86, 209139), (129, 139426), (138, 130333), (161, 111714), (258, 69713), (301, 59754), (322, 55857), (433, 41538), (483, 37238), (602, 29877), (866, 20769), (903, 19918), (966, 18619), (989, 18186), (1299, 13846), (1806, 9959), (1978, 9093), (2598, 6923), (2967, 6062), (3031, 5934)]