19199790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{557}}^1$

素因数の和:953

約数の個数: 48

約数和(自身を含む): 50139648

約数和(自身を除く): 30939858

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 383, 557, 766, 1114, 1149, 1671, 1915, 2298, 2785, 3342, 3447, 3830, 5013, 5570, 5745, 6894, 8355, 10026, 11490, 16710, 17235, 25065, 34470, 50130, 213331, 426662, 639993, 1066655, 1279986, 1919979, 2133310, 3199965, 3839958, 6399930, 9599895, 19199790]

約数ペア:

[(1, 19199790), (2, 9599895), (3, 6399930), (5, 3839958), (6, 3199965), (9, 2133310), (10, 1919979), (15, 1279986), (18, 1066655), (30, 639993), (45, 426662), (90, 213331), (383, 50130), (557, 34470), (766, 25065), (1114, 17235), (1149, 16710), (1671, 11490), (1915, 10026), (2298, 8355), (2785, 6894), (3342, 5745), (3447, 5570), (3830, 5013)]