19691726

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:316

約数の個数: 32

約数和(自身を含む): 32332608

約数和(自身を除く): 12640882

約数列:

[1, 2, 23, 41, 46, 53, 82, 106, 197, 394, 943, 1219, 1886, 2173, 2438, 4346, 4531, 8077, 9062, 10441, 16154, 20882, 49979, 99958, 185771, 240143, 371542, 428081, 480286, 856162, 9845863, 19691726]

約数ペア:

[(1, 19691726), (2, 9845863), (23, 856162), (41, 480286), (46, 428081), (53, 371542), (82, 240143), (106, 185771), (197, 99958), (394, 49979), (943, 20882), (1219, 16154), (1886, 10441), (2173, 9062), (2438, 8077), (4346, 4531)]