19710522

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{643}}^1$

素因数の和:795

約数の個数: 48

約数和(自身を含む): 46414368

約数和(自身を除く): 26703846

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 131, 234, 262, 393, 643, 786, 1179, 1286, 1703, 1929, 2358, 3406, 3858, 5109, 5787, 8359, 10218, 11574, 15327, 16718, 25077, 30654, 50154, 75231, 84233, 150462, 168466, 252699, 505398, 758097, 1095029, 1516194, 2190058, 3285087, 6570174, 9855261, 19710522]

約数ペア:

[(1, 19710522), (2, 9855261), (3, 6570174), (6, 3285087), (9, 2190058), (13, 1516194), (18, 1095029), (26, 758097), (39, 505398), (78, 252699), (117, 168466), (131, 150462), (234, 84233), (262, 75231), (393, 50154), (643, 30654), (786, 25077), (1179, 16718), (1286, 15327), (1703, 11574), (1929, 10218), (2358, 8359), (3406, 5787), (3858, 5109)]