19625739

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{227}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 11892981

約数列:

[1, 3, 7, 21, 23, 69, 161, 179, 227, 483, 537, 681, 1253, 1589, 3759, 4117, 4767, 5221, 12351, 15663, 28819, 36547, 40633, 86457, 109641, 121899, 284431, 853293, 934559, 2803677, 6541913, 19625739]

約数ペア:

[(1, 19625739), (3, 6541913), (7, 2803677), (21, 934559), (23, 853293), (69, 284431), (161, 121899), (179, 109641), (227, 86457), (483, 40633), (537, 36547), (681, 28819), (1253, 15663), (1589, 12351), (3759, 5221), (4117, 4767)]