19444292

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 41099520

約数和(自身を除く): 21655228

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 109, 161, 218, 277, 322, 436, 554, 644, 763, 1108, 1526, 1939, 2507, 3052, 3878, 5014, 6371, 7756, 10028, 12742, 17549, 25484, 30193, 35098, 44597, 60386, 70196, 89194, 120772, 178388, 211351, 422702, 694439, 845404, 1388878, 2777756, 4861073, 9722146, 19444292]

約数ペア:

[(1, 19444292), (2, 9722146), (4, 4861073), (7, 2777756), (14, 1388878), (23, 845404), (28, 694439), (46, 422702), (92, 211351), (109, 178388), (161, 120772), (218, 89194), (277, 70196), (322, 60386), (436, 44597), (554, 35098), (644, 30193), (763, 25484), (1108, 17549), (1526, 12742), (1939, 10028), (2507, 7756), (3052, 6371), (3878, 5014)]