16938818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 28459200

約数和(自身を除く): 11520382

約数列:

[1, 2, 13, 26, 43, 86, 109, 139, 218, 278, 559, 1118, 1417, 1807, 2834, 3614, 4687, 5977, 9374, 11954, 15151, 30302, 60931, 77701, 121862, 155402, 196963, 393926, 651493, 1302986, 8469409, 16938818]

約数ペア:

[(1, 16938818), (2, 8469409), (13, 1302986), (26, 651493), (43, 393926), (86, 196963), (109, 155402), (139, 121862), (218, 77701), (278, 60931), (559, 30302), (1118, 15151), (1417, 11954), (1807, 9374), (2834, 5977), (3614, 4687)]