19474210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 42112512

約数和(自身を除く): 22638302

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 73, 74, 103, 146, 185, 206, 259, 365, 370, 511, 515, 518, 721, 730, 1022, 1030, 1295, 1442, 2555, 2590, 2701, 3605, 3811, 5110, 5402, 7210, 7519, 7622, 13505, 15038, 18907, 19055, 26677, 27010, 37595, 37814, 38110, 52633, 53354, 75190, 94535, 105266, 133385, 189070, 263165, 266770, 278203, 526330, 556406, 1391015, 1947421, 2782030, 3894842, 9737105, 19474210]

約数ペア:

[(1, 19474210), (2, 9737105), (5, 3894842), (7, 2782030), (10, 1947421), (14, 1391015), (35, 556406), (37, 526330), (70, 278203), (73, 266770), (74, 263165), (103, 189070), (146, 133385), (185, 105266), (206, 94535), (259, 75190), (365, 53354), (370, 52633), (511, 38110), (515, 37814), (518, 37595), (721, 27010), (730, 26677), (1022, 19055), (1030, 18907), (1295, 15038), (1442, 13505), (2555, 7622), (2590, 7519), (2701, 7210), (3605, 5402), (3811, 5110)]