19987656

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{64063}}^1$

素因数の和:64085

約数の個数: 32

約数和(自身を含む): 53813760

約数和(自身を除く): 33826104

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 64063, 128126, 192189, 256252, 384378, 512504, 768756, 832819, 1537512, 1665638, 2498457, 3331276, 4996914, 6662552, 9993828, 19987656]

約数ペア:

[(1, 19987656), (2, 9993828), (3, 6662552), (4, 4996914), (6, 3331276), (8, 2498457), (12, 1665638), (13, 1537512), (24, 832819), (26, 768756), (39, 512504), (52, 384378), (78, 256252), (104, 192189), (156, 128126), (312, 64063)]