19955502

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1453}}^1$

素因数の和:1577

約数の個数: 48

約数和(自身を含む): 49901280

約数和(自身を除く): 29945778

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 109, 126, 218, 327, 654, 763, 981, 1453, 1526, 1962, 2289, 2906, 4359, 4578, 6867, 8718, 10171, 13077, 13734, 20342, 26154, 30513, 61026, 91539, 158377, 183078, 316754, 475131, 950262, 1108639, 1425393, 2217278, 2850786, 3325917, 6651834, 9977751, 19955502]

約数ペア:

[(1, 19955502), (2, 9977751), (3, 6651834), (6, 3325917), (7, 2850786), (9, 2217278), (14, 1425393), (18, 1108639), (21, 950262), (42, 475131), (63, 316754), (109, 183078), (126, 158377), (218, 91539), (327, 61026), (654, 30513), (763, 26154), (981, 20342), (1453, 13734), (1526, 13077), (1962, 10171), (2289, 8718), (2906, 6867), (4359, 4578)]