18049278

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{641}}^1$

素因数の和:697

約数の個数: 48

約数和(自身を含む): 41093136

約数和(自身を除く): 23043858

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 361, 494, 641, 722, 741, 1083, 1282, 1482, 1923, 2166, 3846, 4693, 8333, 9386, 12179, 14079, 16666, 24358, 24999, 28158, 36537, 49998, 73074, 158327, 231401, 316654, 462802, 474981, 694203, 949962, 1388406, 3008213, 6016426, 9024639, 18049278]

約数ペア:

[(1, 18049278), (2, 9024639), (3, 6016426), (6, 3008213), (13, 1388406), (19, 949962), (26, 694203), (38, 474981), (39, 462802), (57, 316654), (78, 231401), (114, 158327), (247, 73074), (361, 49998), (494, 36537), (641, 28158), (722, 24999), (741, 24358), (1083, 16666), (1282, 14079), (1482, 12179), (1923, 9386), (2166, 8333), (3846, 4693)]