19739577

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 32175360

約数和(自身を除く): 12435783

約数列:

[1, 3, 11, 13, 33, 39, 47, 89, 121, 141, 143, 267, 363, 429, 517, 611, 979, 1157, 1551, 1573, 1833, 2937, 3471, 4183, 4719, 5687, 6721, 10769, 12549, 12727, 17061, 20163, 32307, 38181, 46013, 54379, 73931, 138039, 139997, 163137, 221793, 419991, 506143, 598169, 1518429, 1794507, 6579859, 19739577]

約数ペア:

[(1, 19739577), (3, 6579859), (11, 1794507), (13, 1518429), (33, 598169), (39, 506143), (47, 419991), (89, 221793), (121, 163137), (141, 139997), (143, 138039), (267, 73931), (363, 54379), (429, 46013), (517, 38181), (611, 32307), (979, 20163), (1157, 17061), (1551, 12727), (1573, 12549), (1833, 10769), (2937, 6721), (3471, 5687), (4183, 4719)]