18061806

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 43135488

約数和(自身を除く): 25073682

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 73, 86, 129, 137, 146, 219, 258, 274, 301, 411, 438, 511, 602, 822, 903, 959, 1022, 1533, 1806, 1918, 2877, 3066, 3139, 5754, 5891, 6278, 9417, 10001, 11782, 17673, 18834, 20002, 21973, 30003, 35346, 41237, 43946, 60006, 65919, 70007, 82474, 123711, 131838, 140014, 210021, 247422, 420042, 430043, 860086, 1290129, 2580258, 3010301, 6020602, 9030903, 18061806]

約数ペア:

[(1, 18061806), (2, 9030903), (3, 6020602), (6, 3010301), (7, 2580258), (14, 1290129), (21, 860086), (42, 430043), (43, 420042), (73, 247422), (86, 210021), (129, 140014), (137, 131838), (146, 123711), (219, 82474), (258, 70007), (274, 65919), (301, 60006), (411, 43946), (438, 41237), (511, 35346), (602, 30003), (822, 21973), (903, 20002), (959, 18834), (1022, 17673), (1533, 11782), (1806, 10001), (1918, 9417), (2877, 6278), (3066, 5891), (3139, 5754)]