19601388

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{28657}}^1$

素因数の和:28686

約数の個数: 36

約数和(自身を含む): 52157560

約数和(自身を除く): 32556172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 28657, 57314, 85971, 114628, 171942, 257913, 343884, 515826, 544483, 1031652, 1088966, 1633449, 2177932, 3266898, 4900347, 6533796, 9800694, 19601388]

約数ペア:

[(1, 19601388), (2, 9800694), (3, 6533796), (4, 4900347), (6, 3266898), (9, 2177932), (12, 1633449), (18, 1088966), (19, 1031652), (36, 544483), (38, 515826), (57, 343884), (76, 257913), (114, 171942), (171, 114628), (228, 85971), (342, 57314), (684, 28657)]