19707310

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1087}}^1$

素因数の和:1145

約数の個数: 48

約数和(自身を含む): 42418944

約数和(自身を除く): 22711634

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 49, 70, 74, 98, 185, 245, 259, 370, 490, 518, 1087, 1295, 1813, 2174, 2590, 3626, 5435, 7609, 9065, 10870, 15218, 18130, 38045, 40219, 53263, 76090, 80438, 106526, 201095, 266315, 281533, 402190, 532630, 563066, 1407665, 1970731, 2815330, 3941462, 9853655, 19707310]

約数ペア:

[(1, 19707310), (2, 9853655), (5, 3941462), (7, 2815330), (10, 1970731), (14, 1407665), (35, 563066), (37, 532630), (49, 402190), (70, 281533), (74, 266315), (98, 201095), (185, 106526), (245, 80438), (259, 76090), (370, 53263), (490, 40219), (518, 38045), (1087, 18130), (1295, 15218), (1813, 10870), (2174, 9065), (2590, 7609), (3626, 5435)]