19966344

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 51891840

約数和(自身を除く): 31925496

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 103, 123, 164, 197, 206, 246, 309, 328, 394, 412, 492, 591, 618, 788, 824, 984, 1182, 1236, 1576, 2364, 2472, 4223, 4728, 8077, 8446, 12669, 16154, 16892, 20291, 24231, 25338, 32308, 33784, 40582, 48462, 50676, 60873, 64616, 81164, 96924, 101352, 121746, 162328, 193848, 243492, 486984, 831931, 1663862, 2495793, 3327724, 4991586, 6655448, 9983172, 19966344]

約数ペア:

[(1, 19966344), (2, 9983172), (3, 6655448), (4, 4991586), (6, 3327724), (8, 2495793), (12, 1663862), (24, 831931), (41, 486984), (82, 243492), (103, 193848), (123, 162328), (164, 121746), (197, 101352), (206, 96924), (246, 81164), (309, 64616), (328, 60873), (394, 50676), (412, 48462), (492, 40582), (591, 33784), (618, 32308), (788, 25338), (824, 24231), (984, 20291), (1182, 16892), (1236, 16154), (1576, 12669), (2364, 8446), (2472, 8077), (4223, 4728)]