19599998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1064

約数の個数: 32

約数和(自身を含む): 34283520

約数和(自身を除く): 14683522

約数列:

[1, 2, 11, 22, 29, 31, 58, 62, 319, 341, 638, 682, 899, 991, 1798, 1982, 9889, 10901, 19778, 21802, 28739, 30721, 57478, 61442, 316129, 337931, 632258, 675862, 890909, 1781818, 9799999, 19599998]

約数ペア:

[(1, 19599998), (2, 9799999), (11, 1781818), (22, 890909), (29, 675862), (31, 632258), (58, 337931), (62, 316129), (319, 61442), (341, 57478), (638, 30721), (682, 28739), (899, 21802), (991, 19778), (1798, 10901), (1982, 9889)]