19730835

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 36840960

約数和(自身を除く): 17110125

約数列:

[1, 3, 5, 9, 15, 19, 45, 47, 57, 95, 141, 171, 235, 285, 423, 491, 705, 855, 893, 1473, 2115, 2455, 2679, 4419, 4465, 7365, 8037, 9329, 13395, 22095, 23077, 27987, 40185, 46645, 69231, 83961, 115385, 139935, 207693, 346155, 419805, 438463, 1038465, 1315389, 2192315, 3946167, 6576945, 19730835]

約数ペア:

[(1, 19730835), (3, 6576945), (5, 3946167), (9, 2192315), (15, 1315389), (19, 1038465), (45, 438463), (47, 419805), (57, 346155), (95, 207693), (141, 139935), (171, 115385), (235, 83961), (285, 69231), (423, 46645), (491, 40185), (705, 27987), (855, 23077), (893, 22095), (1473, 13395), (2115, 9329), (2455, 8037), (2679, 7365), (4419, 4465)]