19341855

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 37739520

約数和(自身を除く): 18397665

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 103, 107, 117, 135, 195, 309, 321, 351, 515, 535, 585, 927, 963, 1339, 1391, 1545, 1605, 1755, 2781, 2889, 4017, 4173, 4635, 4815, 6695, 6955, 11021, 12051, 12519, 13905, 14445, 20085, 20865, 33063, 36153, 37557, 55105, 60255, 62595, 99189, 143273, 165315, 180765, 187785, 297567, 429819, 495945, 716365, 1289457, 1487835, 2149095, 3868371, 6447285, 19341855]

約数ペア:

[(1, 19341855), (3, 6447285), (5, 3868371), (9, 2149095), (13, 1487835), (15, 1289457), (27, 716365), (39, 495945), (45, 429819), (65, 297567), (103, 187785), (107, 180765), (117, 165315), (135, 143273), (195, 99189), (309, 62595), (321, 60255), (351, 55105), (515, 37557), (535, 36153), (585, 33063), (927, 20865), (963, 20085), (1339, 14445), (1391, 13905), (1545, 12519), (1605, 12051), (1755, 11021), (2781, 6955), (2889, 6695), (4017, 4815), (4173, 4635)]