19378064

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{3659}}^1$

素因数の和:3998

約数の個数: 20

約数和(自身を含む): 37668720

約数和(自身を除く): 18290656

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 3659, 5296, 7318, 14636, 29272, 58544, 1211129, 2422258, 4844516, 9689032, 19378064]

約数ペア:

[(1, 19378064), (2, 9689032), (4, 4844516), (8, 2422258), (16, 1211129), (331, 58544), (662, 29272), (1324, 14636), (2648, 7318), (3659, 5296)]