18485290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 38102400

約数和(自身を除く): 19617110

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 59, 85, 95, 97, 118, 170, 190, 194, 295, 323, 485, 590, 646, 970, 1003, 1121, 1615, 1649, 1843, 2006, 2242, 3230, 3298, 3686, 5015, 5605, 5723, 8245, 9215, 10030, 11210, 11446, 16490, 18430, 19057, 28615, 31331, 38114, 57230, 62662, 95285, 97291, 108737, 156655, 190570, 194582, 217474, 313310, 486455, 543685, 972910, 1087370, 1848529, 3697058, 9242645, 18485290]

約数ペア:

[(1, 18485290), (2, 9242645), (5, 3697058), (10, 1848529), (17, 1087370), (19, 972910), (34, 543685), (38, 486455), (59, 313310), (85, 217474), (95, 194582), (97, 190570), (118, 156655), (170, 108737), (190, 97291), (194, 95285), (295, 62662), (323, 57230), (485, 38114), (590, 31331), (646, 28615), (970, 19057), (1003, 18430), (1121, 16490), (1615, 11446), (1649, 11210), (1843, 10030), (2006, 9215), (2242, 8245), (3230, 5723), (3298, 5605), (3686, 5015)]