1918786506

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{81727}}^1$

素因数の和:81795

約数の個数: 64

約数和(自身を含む): 4833067008

約数和(自身を除く): 2914280502

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 43, 78, 86, 91, 129, 182, 258, 273, 301, 546, 559, 602, 903, 1118, 1677, 1806, 3354, 3913, 7826, 11739, 23478, 81727, 163454, 245181, 490362, 572089, 1062451, 1144178, 1716267, 2124902, 3187353, 3432534, 3514261, 6374706, 7028522, 7437157, 10542783, 14874314, 21085566, 22311471, 24599827, 44622942, 45685393, 49199654, 73799481, 91370786, 137056179, 147598962, 274112358, 319797751, 639595502, 959393253, 1918786506]

約数ペア:

[(1, 1918786506), (2, 959393253), (3, 639595502), (6, 319797751), (7, 274112358), (13, 147598962), (14, 137056179), (21, 91370786), (26, 73799481), (39, 49199654), (42, 45685393), (43, 44622942), (78, 24599827), (86, 22311471), (91, 21085566), (129, 14874314), (182, 10542783), (258, 7437157), (273, 7028522), (301, 6374706), (546, 3514261), (559, 3432534), (602, 3187353), (903, 2124902), (1118, 1716267), (1677, 1144178), (1806, 1062451), (3354, 572089), (3913, 490362), (7826, 245181), (11739, 163454), (23478, 81727)]