19149039

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 34524672

約数和(自身を除く): 15375633

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 103, 117, 227, 273, 309, 681, 721, 819, 927, 1339, 1589, 2043, 2163, 2951, 4017, 4767, 6489, 8853, 9373, 12051, 14301, 20657, 23381, 26559, 28119, 61971, 70143, 84357, 163667, 185913, 210429, 303953, 491001, 911859, 1473003, 2127671, 2735577, 6383013, 19149039]

約数ペア:

[(1, 19149039), (3, 6383013), (7, 2735577), (9, 2127671), (13, 1473003), (21, 911859), (39, 491001), (63, 303953), (91, 210429), (103, 185913), (117, 163667), (227, 84357), (273, 70143), (309, 61971), (681, 28119), (721, 26559), (819, 23381), (927, 20657), (1339, 14301), (1589, 12051), (2043, 9373), (2163, 8853), (2951, 6489), (4017, 4767)]