19609984

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{6661}}^1$

素因数の和:6698

約数の個数: 32

約数和(自身を含む): 40771440

約数和(自身を除く): 21161456

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 368, 736, 1472, 2944, 6661, 13322, 26644, 53288, 106576, 153203, 213152, 306406, 426304, 612812, 852608, 1225624, 2451248, 4902496, 9804992, 19609984]

約数ペア:

[(1, 19609984), (2, 9804992), (4, 4902496), (8, 2451248), (16, 1225624), (23, 852608), (32, 612812), (46, 426304), (64, 306406), (92, 213152), (128, 153203), (184, 106576), (368, 53288), (736, 26644), (1472, 13322), (2944, 6661)]