19337920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:210

約数の個数: 112

約数和(自身を含む): 53766720

約数和(自身を除く): 34428800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 97, 112, 140, 160, 178, 194, 224, 280, 320, 356, 388, 445, 448, 485, 560, 623, 679, 712, 776, 890, 970, 1120, 1246, 1358, 1424, 1552, 1780, 1940, 2240, 2492, 2716, 2848, 3104, 3115, 3395, 3560, 3880, 4984, 5432, 5696, 6208, 6230, 6790, 7120, 7760, 8633, 9968, 10864, 12460, 13580, 14240, 15520, 17266, 19936, 21728, 24920, 27160, 28480, 31040, 34532, 39872, 43165, 43456, 49840, 54320, 60431, 69064, 86330, 99680, 108640, 120862, 138128, 172660, 199360, 217280, 241724, 276256, 302155, 345320, 483448, 552512, 604310, 690640, 966896, 1208620, 1381280, 1933792, 2417240, 2762560, 3867584, 4834480, 9668960, 19337920]

約数ペア:

[(1, 19337920), (2, 9668960), (4, 4834480), (5, 3867584), (7, 2762560), (8, 2417240), (10, 1933792), (14, 1381280), (16, 1208620), (20, 966896), (28, 690640), (32, 604310), (35, 552512), (40, 483448), (56, 345320), (64, 302155), (70, 276256), (80, 241724), (89, 217280), (97, 199360), (112, 172660), (140, 138128), (160, 120862), (178, 108640), (194, 99680), (224, 86330), (280, 69064), (320, 60431), (356, 54320), (388, 49840), (445, 43456), (448, 43165), (485, 39872), (560, 34532), (623, 31040), (679, 28480), (712, 27160), (776, 24920), (890, 21728), (970, 19936), (1120, 17266), (1246, 15520), (1358, 14240), (1424, 13580), (1552, 12460), (1780, 10864), (1940, 9968), (2240, 8633), (2492, 7760), (2716, 7120), (2848, 6790), (3104, 6230), (3115, 6208), (3395, 5696), (3560, 5432), (3880, 4984)]