19389860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8147}}^1$

素因数の和:8180

約数の個数: 48

約数和(自身を含む): 49279104

約数和(自身を除く): 29889244

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 8147, 16294, 32588, 40735, 57029, 81470, 114058, 138499, 162940, 228116, 276998, 285145, 553996, 570290, 692495, 969493, 1140580, 1384990, 1938986, 2769980, 3877972, 4847465, 9694930, 19389860]

約数ペア:

[(1, 19389860), (2, 9694930), (4, 4847465), (5, 3877972), (7, 2769980), (10, 1938986), (14, 1384990), (17, 1140580), (20, 969493), (28, 692495), (34, 570290), (35, 553996), (68, 285145), (70, 276998), (85, 228116), (119, 162940), (140, 138499), (170, 114058), (238, 81470), (340, 57029), (476, 40735), (595, 32588), (1190, 16294), (2380, 8147)]