19196650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:220

約数の個数: 72

約数和(自身を含む): 41559840

約数和(自身を除く): 22363190

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 121, 167, 190, 209, 242, 275, 334, 418, 475, 550, 605, 835, 950, 1045, 1210, 1670, 1837, 2090, 2299, 3025, 3173, 3674, 4175, 4598, 5225, 6050, 6346, 8350, 9185, 10450, 11495, 15865, 18370, 20207, 22990, 31730, 34903, 40414, 45925, 57475, 69806, 79325, 91850, 101035, 114950, 158650, 174515, 202070, 349030, 383933, 505175, 767866, 872575, 1010350, 1745150, 1919665, 3839330, 9598325, 19196650]

約数ペア:

[(1, 19196650), (2, 9598325), (5, 3839330), (10, 1919665), (11, 1745150), (19, 1010350), (22, 872575), (25, 767866), (38, 505175), (50, 383933), (55, 349030), (95, 202070), (110, 174515), (121, 158650), (167, 114950), (190, 101035), (209, 91850), (242, 79325), (275, 69806), (334, 57475), (418, 45925), (475, 40414), (550, 34903), (605, 31730), (835, 22990), (950, 20207), (1045, 18370), (1210, 15865), (1670, 11495), (1837, 10450), (2090, 9185), (2299, 8350), (3025, 6346), (3173, 6050), (3674, 5225), (4175, 4598)]