19990390044

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1\times {\mathrm{102559}}^1$

素因数の和:103042

約数の個数: 48

約数和(自身を含む): 48014489600

約数和(自身を除く): 28024099556

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 439, 444, 878, 1317, 1756, 2634, 5268, 16243, 32486, 48729, 64972, 97458, 102559, 194916, 205118, 307677, 410236, 615354, 1230708, 3794683, 7589366, 11384049, 15178732, 22768098, 45023401, 45536196, 90046802, 135070203, 180093604, 270140406, 540280812, 1665865837, 3331731674, 4997597511, 6663463348, 9995195022, 19990390044]

約数ペア:

[(1, 19990390044), (2, 9995195022), (3, 6663463348), (4, 4997597511), (6, 3331731674), (12, 1665865837), (37, 540280812), (74, 270140406), (111, 180093604), (148, 135070203), (222, 90046802), (439, 45536196), (444, 45023401), (878, 22768098), (1317, 15178732), (1756, 11384049), (2634, 7589366), (5268, 3794683), (16243, 1230708), (32486, 615354), (48729, 410236), (64972, 307677), (97458, 205118), (102559, 194916)]