19435672557

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2039}}^1\times {\mathrm{2131}}^1$

素因数の和:4254

約数の個数: 48

約数和(自身を含む): 32567408640

約数和(自身を除く): 13131736083

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 2039, 2131, 4473, 6117, 6393, 14273, 14917, 18351, 19179, 42819, 44751, 128457, 134253, 144769, 151301, 434307, 453903, 1013383, 1059107, 1302921, 1361709, 3040149, 3177321, 4345109, 9120447, 9531963, 13035327, 30415763, 39105981, 91247289, 273741867, 308502739, 925508217, 2159519173, 2776524651, 6478557519, 19435672557]

約数ペア:

[(1, 19435672557), (3, 6478557519), (7, 2776524651), (9, 2159519173), (21, 925508217), (63, 308502739), (71, 273741867), (213, 91247289), (497, 39105981), (639, 30415763), (1491, 13035327), (2039, 9531963), (2131, 9120447), (4473, 4345109), (6117, 3177321), (6393, 3040149), (14273, 1361709), (14917, 1302921), (18351, 1059107), (19179, 1013383), (42819, 453903), (44751, 434307), (128457, 151301), (134253, 144769)]