18390350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1153}}^1$

素因数の和:1205

約数の個数: 48

約数和(自身を含む): 38635920

約数和(自身を除く): 20245570

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 50, 55, 58, 110, 145, 275, 290, 319, 550, 638, 725, 1153, 1450, 1595, 2306, 3190, 5765, 7975, 11530, 12683, 15950, 25366, 28825, 33437, 57650, 63415, 66874, 126830, 167185, 317075, 334370, 367807, 634150, 735614, 835925, 1671850, 1839035, 3678070, 9195175, 18390350]

約数ペア:

[(1, 18390350), (2, 9195175), (5, 3678070), (10, 1839035), (11, 1671850), (22, 835925), (25, 735614), (29, 634150), (50, 367807), (55, 334370), (58, 317075), (110, 167185), (145, 126830), (275, 66874), (290, 63415), (319, 57650), (550, 33437), (638, 28825), (725, 25366), (1153, 15950), (1450, 12683), (1595, 11530), (2306, 7975), (3190, 5765)]