19102220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2957}}^1$

素因数の和:3002

約数の個数: 48

約数和(自身を含む): 44724960

約数和(自身を除く): 25622740

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 2957, 3230, 5914, 6460, 11828, 14785, 29570, 50269, 56183, 59140, 100538, 112366, 201076, 224732, 251345, 280915, 502690, 561830, 955111, 1005380, 1123660, 1910222, 3820444, 4775555, 9551110, 19102220]

約数ペア:

[(1, 19102220), (2, 9551110), (4, 4775555), (5, 3820444), (10, 1910222), (17, 1123660), (19, 1005380), (20, 955111), (34, 561830), (38, 502690), (68, 280915), (76, 251345), (85, 224732), (95, 201076), (170, 112366), (190, 100538), (323, 59140), (340, 56183), (380, 50269), (646, 29570), (1292, 14785), (1615, 11828), (2957, 6460), (3230, 5914)]