11803180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 26460000

約数和(自身を除く): 14656820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 349, 356, 380, 445, 698, 890, 1396, 1691, 1745, 1780, 3382, 3490, 6631, 6764, 6980, 8455, 13262, 16910, 26524, 31061, 33155, 33820, 62122, 66310, 124244, 132620, 155305, 310610, 590159, 621220, 1180318, 2360636, 2950795, 5901590, 11803180]

約数ペア:

[(1, 11803180), (2, 5901590), (4, 2950795), (5, 2360636), (10, 1180318), (19, 621220), (20, 590159), (38, 310610), (76, 155305), (89, 132620), (95, 124244), (178, 66310), (190, 62122), (349, 33820), (356, 33155), (380, 31061), (445, 26524), (698, 16910), (890, 13262), (1396, 8455), (1691, 6980), (1745, 6764), (1780, 6631), (3382, 3490)]