19607679

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 35380800

約数和(自身を除く): 15773121

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 89, 91, 117, 267, 269, 273, 623, 801, 807, 819, 1157, 1869, 1883, 2421, 3471, 3497, 5607, 5649, 8099, 10413, 10491, 16947, 23941, 24297, 24479, 31473, 71823, 72891, 73437, 167587, 215469, 220311, 311233, 502761, 933699, 1508283, 2178631, 2801097, 6535893, 19607679]

約数ペア:

[(1, 19607679), (3, 6535893), (7, 2801097), (9, 2178631), (13, 1508283), (21, 933699), (39, 502761), (63, 311233), (89, 220311), (91, 215469), (117, 167587), (267, 73437), (269, 72891), (273, 71823), (623, 31473), (801, 24479), (807, 24297), (819, 23941), (1157, 16947), (1869, 10491), (1883, 10413), (2421, 8099), (3471, 5649), (3497, 5607)]