19542908

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{593}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 43110144

約数和(自身を除く): 23567236

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 107, 154, 214, 308, 428, 593, 749, 1177, 1186, 1498, 2354, 2372, 2996, 4151, 4708, 6523, 8239, 8302, 13046, 16478, 16604, 26092, 32956, 45661, 63451, 91322, 126902, 182644, 253804, 444157, 697961, 888314, 1395922, 1776628, 2791844, 4885727, 9771454, 19542908]

約数ペア:

[(1, 19542908), (2, 9771454), (4, 4885727), (7, 2791844), (11, 1776628), (14, 1395922), (22, 888314), (28, 697961), (44, 444157), (77, 253804), (107, 182644), (154, 126902), (214, 91322), (308, 63451), (428, 45661), (593, 32956), (749, 26092), (1177, 16604), (1186, 16478), (1498, 13046), (2354, 8302), (2372, 8239), (2996, 6523), (4151, 4708)]