19194870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{617}}^1$

素因数の和:705

約数の個数: 64

約数和(自身を含む): 49657536

約数和(自身を除く): 30462666

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, 617, 915, 1037, 1234, 1830, 1851, 2074, 3085, 3111, 3702, 5185, 6170, 6222, 9255, 10370, 10489, 15555, 18510, 20978, 31110, 31467, 37637, 52445, 62934, 75274, 104890, 112911, 157335, 188185, 225822, 314670, 376370, 564555, 639829, 1129110, 1279658, 1919487, 3199145, 3838974, 6398290, 9597435, 19194870]

約数ペア:

[(1, 19194870), (2, 9597435), (3, 6398290), (5, 3838974), (6, 3199145), (10, 1919487), (15, 1279658), (17, 1129110), (30, 639829), (34, 564555), (51, 376370), (61, 314670), (85, 225822), (102, 188185), (122, 157335), (170, 112911), (183, 104890), (255, 75274), (305, 62934), (366, 52445), (510, 37637), (610, 31467), (617, 31110), (915, 20978), (1037, 18510), (1234, 15555), (1830, 10489), (1851, 10370), (2074, 9255), (3085, 6222), (3111, 6170), (3702, 5185)]