15185180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 34020000

約数和(自身を除く): 18834820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 449, 890, 898, 1691, 1780, 1796, 2245, 3382, 4490, 6764, 8455, 8531, 8980, 16910, 17062, 33820, 34124, 39961, 42655, 79922, 85310, 159844, 170620, 199805, 399610, 759259, 799220, 1518518, 3037036, 3796295, 7592590, 15185180]

約数ペア:

[(1, 15185180), (2, 7592590), (4, 3796295), (5, 3037036), (10, 1518518), (19, 799220), (20, 759259), (38, 399610), (76, 199805), (89, 170620), (95, 159844), (178, 85310), (190, 79922), (356, 42655), (380, 39961), (445, 34124), (449, 33820), (890, 17062), (898, 16910), (1691, 8980), (1780, 8531), (1796, 8455), (2245, 6764), (3382, 4490)]