19684458

素因数分解:

$2^1\times 3^6\times {\mathrm{23}}^1\times {\mathrm{587}}^1$

素因数の和:630

約数の個数: 56

約数和(自身を含む): 46273248

約数和(自身を除く): 26588790

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 243, 414, 486, 587, 621, 729, 1174, 1242, 1458, 1761, 1863, 3522, 3726, 5283, 5589, 10566, 11178, 13501, 15849, 16767, 27002, 31698, 33534, 40503, 47547, 81006, 95094, 121509, 142641, 243018, 285282, 364527, 427923, 729054, 855846, 1093581, 2187162, 3280743, 6561486, 9842229, 19684458]

約数ペア:

[(1, 19684458), (2, 9842229), (3, 6561486), (6, 3280743), (9, 2187162), (18, 1093581), (23, 855846), (27, 729054), (46, 427923), (54, 364527), (69, 285282), (81, 243018), (138, 142641), (162, 121509), (207, 95094), (243, 81006), (414, 47547), (486, 40503), (587, 33534), (621, 31698), (729, 27002), (1174, 16767), (1242, 15849), (1458, 13501), (1761, 11178), (1863, 10566), (3522, 5589), (3726, 5283)]