18926864

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3469}}^1$

素因数の和:3519

約数の個数: 40

約数和(自身を含む): 41306880

約数和(自身を除く): 22380016

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 3469, 5456, 6938, 13876, 27752, 38159, 55504, 76318, 107539, 152636, 215078, 305272, 430156, 610544, 860312, 1182929, 1720624, 2365858, 4731716, 9463432, 18926864]

約数ペア:

[(1, 18926864), (2, 9463432), (4, 4731716), (8, 2365858), (11, 1720624), (16, 1182929), (22, 860312), (31, 610544), (44, 430156), (62, 305272), (88, 215078), (124, 152636), (176, 107539), (248, 76318), (341, 55504), (496, 38159), (682, 27752), (1364, 13876), (2728, 6938), (3469, 5456)]