18669840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11113}}^1$

素因数の和:11136

約数の個数: 80

約数和(自身を含む): 66150528

約数和(自身を除く): 47480688

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11113, 22226, 33339, 44452, 55565, 66678, 77791, 88904, 111130, 133356, 155582, 166695, 177808, 222260, 233373, 266712, 311164, 333390, 388955, 444520, 466746, 533424, 622328, 666780, 777910, 889040, 933492, 1166865, 1244656, 1333560, 1555820, 1866984, 2333730, 2667120, 3111640, 3733968, 4667460, 6223280, 9334920, 18669840]

約数ペア:

[(1, 18669840), (2, 9334920), (3, 6223280), (4, 4667460), (5, 3733968), (6, 3111640), (7, 2667120), (8, 2333730), (10, 1866984), (12, 1555820), (14, 1333560), (15, 1244656), (16, 1166865), (20, 933492), (21, 889040), (24, 777910), (28, 666780), (30, 622328), (35, 533424), (40, 466746), (42, 444520), (48, 388955), (56, 333390), (60, 311164), (70, 266712), (80, 233373), (84, 222260), (105, 177808), (112, 166695), (120, 155582), (140, 133356), (168, 111130), (210, 88904), (240, 77791), (280, 66678), (336, 55565), (420, 44452), (560, 33339), (840, 22226), (1680, 11113)]