13019769

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 23088000

約数和(自身を除く): 10068231

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 73, 133, 149, 171, 219, 399, 447, 511, 657, 1043, 1197, 1341, 1387, 1533, 2831, 3129, 4161, 4599, 8493, 9387, 9709, 10877, 12483, 19817, 25479, 29127, 32631, 59451, 76139, 87381, 97893, 178353, 206663, 228417, 619989, 685251, 1446641, 1859967, 4339923, 13019769]

約数ペア:

[(1, 13019769), (3, 4339923), (7, 1859967), (9, 1446641), (19, 685251), (21, 619989), (57, 228417), (63, 206663), (73, 178353), (133, 97893), (149, 87381), (171, 76139), (219, 59451), (399, 32631), (447, 29127), (511, 25479), (657, 19817), (1043, 12483), (1197, 10877), (1341, 9709), (1387, 9387), (1533, 8493), (2831, 4599), (3129, 4161)]