19405936

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{110261}}^1$

素因数の和:110280

約数の個数: 20

約数和(自身を含む): 41017464

約数和(自身を除く): 21611528

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 110261, 220522, 441044, 882088, 1212871, 1764176, 2425742, 4851484, 9702968, 19405936]

約数ペア:

[(1, 19405936), (2, 9702968), (4, 4851484), (8, 2425742), (11, 1764176), (16, 1212871), (22, 882088), (44, 441044), (88, 220522), (176, 110261)]