19560695

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^2$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 31200768

約数和(自身を除く): 11640073

約数列:

[1, 5, 7, 11, 23, 35, 47, 55, 77, 115, 161, 235, 253, 329, 385, 517, 805, 1081, 1265, 1645, 1771, 2209, 2585, 3619, 5405, 7567, 8855, 11045, 11891, 15463, 18095, 24299, 37835, 50807, 59455, 77315, 83237, 121495, 170093, 254035, 355649, 416185, 558877, 850465, 1778245, 2794385, 3912139, 19560695]

約数ペア:

[(1, 19560695), (5, 3912139), (7, 2794385), (11, 1778245), (23, 850465), (35, 558877), (47, 416185), (55, 355649), (77, 254035), (115, 170093), (161, 121495), (235, 83237), (253, 77315), (329, 59455), (385, 50807), (517, 37835), (805, 24299), (1081, 18095), (1265, 15463), (1645, 11891), (1771, 11045), (2209, 8855), (2585, 7567), (3619, 5405)]