18506826

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{643}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 45440640

約数和(自身を除く): 26933814

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 41, 54, 78, 82, 117, 123, 234, 246, 351, 369, 533, 643, 702, 738, 1066, 1107, 1286, 1599, 1929, 2214, 3198, 3858, 4797, 5787, 8359, 9594, 11574, 14391, 16718, 17361, 25077, 26363, 28782, 34722, 50154, 52726, 75231, 79089, 150462, 158178, 225693, 237267, 342719, 451386, 474534, 685438, 711801, 1028157, 1423602, 2056314, 3084471, 6168942, 9253413, 18506826]

約数ペア:

[(1, 18506826), (2, 9253413), (3, 6168942), (6, 3084471), (9, 2056314), (13, 1423602), (18, 1028157), (26, 711801), (27, 685438), (39, 474534), (41, 451386), (54, 342719), (78, 237267), (82, 225693), (117, 158178), (123, 150462), (234, 79089), (246, 75231), (351, 52726), (369, 50154), (533, 34722), (643, 28782), (702, 26363), (738, 25077), (1066, 17361), (1107, 16718), (1286, 14391), (1599, 11574), (1929, 9594), (2214, 8359), (3198, 5787), (3858, 4797)]