18761120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2393}}^1$

素因数の和:2422

約数の個数: 72

約数和(自身を含む): 51581124

約数和(自身を除く): 32820004

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 2393, 3920, 4786, 7840, 9572, 11965, 16751, 19144, 23930, 33502, 38288, 47860, 67004, 76576, 83755, 95720, 117257, 134008, 167510, 191440, 234514, 268016, 335020, 382880, 469028, 536032, 586285, 670040, 938056, 1172570, 1340080, 1876112, 2345140, 2680160, 3752224, 4690280, 9380560, 18761120]

約数ペア:

[(1, 18761120), (2, 9380560), (4, 4690280), (5, 3752224), (7, 2680160), (8, 2345140), (10, 1876112), (14, 1340080), (16, 1172570), (20, 938056), (28, 670040), (32, 586285), (35, 536032), (40, 469028), (49, 382880), (56, 335020), (70, 268016), (80, 234514), (98, 191440), (112, 167510), (140, 134008), (160, 117257), (196, 95720), (224, 83755), (245, 76576), (280, 67004), (392, 47860), (490, 38288), (560, 33502), (784, 23930), (980, 19144), (1120, 16751), (1568, 11965), (1960, 9572), (2393, 7840), (3920, 4786)]