18908120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{877}}^1$

素因数の和:913

約数の個数: 96

約数和(自身を含む): 54049680

約数和(自身を除く): 35141560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 877, 980, 1078, 1540, 1754, 1960, 2156, 2695, 3080, 3508, 4312, 4385, 5390, 6139, 7016, 8770, 9647, 10780, 12278, 17540, 19294, 21560, 24556, 30695, 35080, 38588, 42973, 48235, 49112, 61390, 67529, 77176, 85946, 96470, 122780, 135058, 171892, 192940, 214865, 245560, 270116, 337645, 343784, 385880, 429730, 472703, 540232, 675290, 859460, 945406, 1350580, 1718920, 1890812, 2363515, 2701160, 3781624, 4727030, 9454060, 18908120]

約数ペア:

[(1, 18908120), (2, 9454060), (4, 4727030), (5, 3781624), (7, 2701160), (8, 2363515), (10, 1890812), (11, 1718920), (14, 1350580), (20, 945406), (22, 859460), (28, 675290), (35, 540232), (40, 472703), (44, 429730), (49, 385880), (55, 343784), (56, 337645), (70, 270116), (77, 245560), (88, 214865), (98, 192940), (110, 171892), (140, 135058), (154, 122780), (196, 96470), (220, 85946), (245, 77176), (280, 67529), (308, 61390), (385, 49112), (392, 48235), (440, 42973), (490, 38588), (539, 35080), (616, 30695), (770, 24556), (877, 21560), (980, 19294), (1078, 17540), (1540, 12278), (1754, 10780), (1960, 9647), (2156, 8770), (2695, 7016), (3080, 6139), (3508, 5390), (4312, 4385)]