18812220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{953}}^1$

素因数の和:1019

約数の個数: 96

約数和(自身を含む): 61544448

約数和(自身を除く): 42732228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 94, 105, 140, 141, 188, 210, 235, 282, 329, 420, 470, 564, 658, 705, 940, 953, 987, 1316, 1410, 1645, 1906, 1974, 2820, 2859, 3290, 3812, 3948, 4765, 4935, 5718, 6580, 6671, 9530, 9870, 11436, 13342, 14295, 19060, 19740, 20013, 26684, 28590, 33355, 40026, 44791, 57180, 66710, 80052, 89582, 100065, 133420, 134373, 179164, 200130, 223955, 268746, 313537, 400260, 447910, 537492, 627074, 671865, 895820, 940611, 1254148, 1343730, 1567685, 1881222, 2687460, 3135370, 3762444, 4703055, 6270740, 9406110, 18812220]

約数ペア:

[(1, 18812220), (2, 9406110), (3, 6270740), (4, 4703055), (5, 3762444), (6, 3135370), (7, 2687460), (10, 1881222), (12, 1567685), (14, 1343730), (15, 1254148), (20, 940611), (21, 895820), (28, 671865), (30, 627074), (35, 537492), (42, 447910), (47, 400260), (60, 313537), (70, 268746), (84, 223955), (94, 200130), (105, 179164), (140, 134373), (141, 133420), (188, 100065), (210, 89582), (235, 80052), (282, 66710), (329, 57180), (420, 44791), (470, 40026), (564, 33355), (658, 28590), (705, 26684), (940, 20013), (953, 19740), (987, 19060), (1316, 14295), (1410, 13342), (1645, 11436), (1906, 9870), (1974, 9530), (2820, 6671), (2859, 6580), (3290, 5718), (3812, 4935), (3948, 4765)]