19904926

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:300

約数の個数: 32

約数和(自身を含む): 32931360

約数和(自身を除く): 13026434

約数列:

[1, 2, 17, 34, 41, 82, 109, 131, 218, 262, 697, 1394, 1853, 2227, 3706, 4454, 4469, 5371, 8938, 10742, 14279, 28558, 75973, 91307, 151946, 182614, 242743, 485486, 585439, 1170878, 9952463, 19904926]

約数ペア:

[(1, 19904926), (2, 9952463), (17, 1170878), (34, 585439), (41, 485486), (82, 242743), (109, 182614), (131, 151946), (218, 91307), (262, 75973), (697, 28558), (1394, 14279), (1853, 10742), (2227, 8938), (3706, 5371), (4454, 4469)]