19903225898

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{947}}^1\times {\mathrm{2281}}^1$

素因数の和:3518

約数の個数: 32

約数和(自身を含む): 31775079168

約数和(自身を除く): 11871853270

約数列:

[1, 2, 17, 34, 271, 542, 947, 1894, 2281, 4562, 4607, 9214, 16099, 32198, 38777, 77554, 256637, 513274, 618151, 1236302, 2160107, 4320214, 4362829, 8725658, 10508567, 21017134, 36721819, 73443638, 585388997, 1170777994, 9951612949, 19903225898]

約数ペア:

[(1, 19903225898), (2, 9951612949), (17, 1170777994), (34, 585388997), (271, 73443638), (542, 36721819), (947, 21017134), (1894, 10508567), (2281, 8725658), (4562, 4362829), (4607, 4320214), (9214, 2160107), (16099, 1236302), (32198, 618151), (38777, 513274), (77554, 256637)]