19941510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:729

約数の個数: 64

約数和(自身を含む): 51585984

約数和(自身を除く): 31644474

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 61, 85, 102, 122, 170, 183, 255, 305, 366, 510, 610, 641, 915, 1037, 1282, 1830, 1923, 2074, 3111, 3205, 3846, 5185, 6222, 6410, 9615, 10370, 10897, 15555, 19230, 21794, 31110, 32691, 39101, 54485, 65382, 78202, 108970, 117303, 163455, 195505, 234606, 326910, 391010, 586515, 664717, 1173030, 1329434, 1994151, 3323585, 3988302, 6647170, 9970755, 19941510]

約数ペア:

[(1, 19941510), (2, 9970755), (3, 6647170), (5, 3988302), (6, 3323585), (10, 1994151), (15, 1329434), (17, 1173030), (30, 664717), (34, 586515), (51, 391010), (61, 326910), (85, 234606), (102, 195505), (122, 163455), (170, 117303), (183, 108970), (255, 78202), (305, 65382), (366, 54485), (510, 39101), (610, 32691), (641, 31110), (915, 21794), (1037, 19230), (1282, 15555), (1830, 10897), (1923, 10370), (2074, 9615), (3111, 6410), (3205, 6222), (3846, 5185)]