19670436

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 51795744

約数和(自身を除く): 32125308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 97, 129, 131, 172, 194, 258, 262, 291, 387, 388, 393, 516, 524, 582, 774, 786, 873, 1164, 1179, 1548, 1572, 1746, 2358, 3492, 4171, 4716, 5633, 8342, 11266, 12513, 12707, 16684, 16899, 22532, 25026, 25414, 33798, 37539, 38121, 50052, 50697, 50828, 67596, 75078, 76242, 101394, 114363, 150156, 152484, 202788, 228726, 457452, 546401, 1092802, 1639203, 2185604, 3278406, 4917609, 6556812, 9835218, 19670436]

約数ペア:

[(1, 19670436), (2, 9835218), (3, 6556812), (4, 4917609), (6, 3278406), (9, 2185604), (12, 1639203), (18, 1092802), (36, 546401), (43, 457452), (86, 228726), (97, 202788), (129, 152484), (131, 150156), (172, 114363), (194, 101394), (258, 76242), (262, 75078), (291, 67596), (387, 50828), (388, 50697), (393, 50052), (516, 38121), (524, 37539), (582, 33798), (774, 25414), (786, 25026), (873, 22532), (1164, 16899), (1179, 16684), (1548, 12707), (1572, 12513), (1746, 11266), (2358, 8342), (3492, 5633), (4171, 4716)]