18832660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1747}}^1$

素因数の和:1781

約数の個数: 72

約数和(自身を含む): 50216544

約数和(自身を除く): 31383884

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 1747, 2156, 2695, 3494, 5390, 6988, 8735, 10780, 12229, 17470, 19217, 24458, 34940, 38434, 48916, 61145, 76868, 85603, 96085, 122290, 134519, 171206, 192170, 244580, 269038, 342412, 384340, 428015, 538076, 672595, 856030, 941633, 1345190, 1712060, 1883266, 2690380, 3766532, 4708165, 9416330, 18832660]

約数ペア:

[(1, 18832660), (2, 9416330), (4, 4708165), (5, 3766532), (7, 2690380), (10, 1883266), (11, 1712060), (14, 1345190), (20, 941633), (22, 856030), (28, 672595), (35, 538076), (44, 428015), (49, 384340), (55, 342412), (70, 269038), (77, 244580), (98, 192170), (110, 171206), (140, 134519), (154, 122290), (196, 96085), (220, 85603), (245, 76868), (308, 61145), (385, 48916), (490, 38434), (539, 34940), (770, 24458), (980, 19217), (1078, 17470), (1540, 12229), (1747, 10780), (2156, 8735), (2695, 6988), (3494, 5390)]