31254678

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19081}}^1$

素因数の和:19109

約数の個数: 48

約数和(自身を含む): 83350176

約数和(自身を除く): 52095498

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 19081, 38162, 57243, 114486, 133567, 171729, 248053, 267134, 343458, 400701, 496106, 744159, 801402, 1202103, 1488318, 1736371, 2232477, 2404206, 3472742, 4464954, 5209113, 10418226, 15627339, 31254678]

約数ペア:

[(1, 31254678), (2, 15627339), (3, 10418226), (6, 5209113), (7, 4464954), (9, 3472742), (13, 2404206), (14, 2232477), (18, 1736371), (21, 1488318), (26, 1202103), (39, 801402), (42, 744159), (63, 496106), (78, 400701), (91, 343458), (117, 267134), (126, 248053), (182, 171729), (234, 133567), (273, 114486), (546, 57243), (819, 38162), (1638, 19081)]