19861764

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6701}}^1$

素因数の和:6740

約数の個数: 48

約数和(自身を含む): 52543680

約数和(自身を除く): 32681916

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 6701, 13402, 20103, 26804, 40206, 80412, 87113, 127319, 174226, 254638, 261339, 348452, 381957, 509276, 522678, 763914, 1045356, 1527828, 1655147, 3310294, 4965441, 6620588, 9930882, 19861764]

約数ペア:

[(1, 19861764), (2, 9930882), (3, 6620588), (4, 4965441), (6, 3310294), (12, 1655147), (13, 1527828), (19, 1045356), (26, 763914), (38, 522678), (39, 509276), (52, 381957), (57, 348452), (76, 261339), (78, 254638), (114, 174226), (156, 127319), (228, 87113), (247, 80412), (494, 40206), (741, 26804), (988, 20103), (1482, 13402), (2964, 6701)]