18396380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{887}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 41622336

約数和(自身を除く): 23225956

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 887, 1037, 1220, 1774, 2074, 3548, 4148, 4435, 5185, 8870, 10370, 15079, 17740, 20740, 30158, 54107, 60316, 75395, 108214, 150790, 216428, 270535, 301580, 541070, 919819, 1082140, 1839638, 3679276, 4599095, 9198190, 18396380]

約数ペア:

[(1, 18396380), (2, 9198190), (4, 4599095), (5, 3679276), (10, 1839638), (17, 1082140), (20, 919819), (34, 541070), (61, 301580), (68, 270535), (85, 216428), (122, 150790), (170, 108214), (244, 75395), (305, 60316), (340, 54107), (610, 30158), (887, 20740), (1037, 17740), (1220, 15079), (1774, 10370), (2074, 8870), (3548, 5185), (4148, 4435)]