19973436

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 57480192

約数和(自身を除く): 37506756

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 71, 84, 102, 119, 142, 197, 204, 213, 238, 284, 357, 394, 426, 476, 497, 591, 714, 788, 852, 994, 1182, 1207, 1379, 1428, 1491, 1988, 2364, 2414, 2758, 2982, 3349, 3621, 4137, 4828, 5516, 5964, 6698, 7242, 8274, 8449, 10047, 13396, 13987, 14484, 16548, 16898, 20094, 23443, 25347, 27974, 33796, 40188, 41961, 46886, 50694, 55948, 70329, 83922, 93772, 97909, 101388, 140658, 167844, 195818, 237779, 281316, 293727, 391636, 475558, 587454, 713337, 951116, 1174908, 1426674, 1664453, 2853348, 3328906, 4993359, 6657812, 9986718, 19973436]

約数ペア:

[(1, 19973436), (2, 9986718), (3, 6657812), (4, 4993359), (6, 3328906), (7, 2853348), (12, 1664453), (14, 1426674), (17, 1174908), (21, 951116), (28, 713337), (34, 587454), (42, 475558), (51, 391636), (68, 293727), (71, 281316), (84, 237779), (102, 195818), (119, 167844), (142, 140658), (197, 101388), (204, 97909), (213, 93772), (238, 83922), (284, 70329), (357, 55948), (394, 50694), (426, 46886), (476, 41961), (497, 40188), (591, 33796), (714, 27974), (788, 25347), (852, 23443), (994, 20094), (1182, 16898), (1207, 16548), (1379, 14484), (1428, 13987), (1491, 13396), (1988, 10047), (2364, 8449), (2414, 8274), (2758, 7242), (2982, 6698), (3349, 5964), (3621, 5516), (4137, 4828)]