19387950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{4457}}^1$

素因数の和:4501

約数の個数: 48

約数和(自身を含む): 49751280

約数和(自身を除く): 30363330

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 75, 87, 145, 150, 174, 290, 435, 725, 870, 1450, 2175, 4350, 4457, 8914, 13371, 22285, 26742, 44570, 66855, 111425, 129253, 133710, 222850, 258506, 334275, 387759, 646265, 668550, 775518, 1292530, 1938795, 3231325, 3877590, 6462650, 9693975, 19387950]

約数ペア:

[(1, 19387950), (2, 9693975), (3, 6462650), (5, 3877590), (6, 3231325), (10, 1938795), (15, 1292530), (25, 775518), (29, 668550), (30, 646265), (50, 387759), (58, 334275), (75, 258506), (87, 222850), (145, 133710), (150, 129253), (174, 111425), (290, 66855), (435, 44570), (725, 26742), (870, 22285), (1450, 13371), (2175, 8914), (4350, 4457)]