19473410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 41057280

約数和(自身を除く): 21583870

約数列:

[1, 2, 5, 10, 11, 22, 23, 43, 46, 55, 86, 110, 115, 179, 215, 230, 253, 358, 430, 473, 506, 895, 946, 989, 1265, 1790, 1969, 1978, 2365, 2530, 3938, 4117, 4730, 4945, 7697, 8234, 9845, 9890, 10879, 15394, 19690, 20585, 21758, 38485, 41170, 45287, 54395, 76970, 84667, 90574, 108790, 169334, 177031, 226435, 354062, 423335, 452870, 846670, 885155, 1770310, 1947341, 3894682, 9736705, 19473410]

約数ペア:

[(1, 19473410), (2, 9736705), (5, 3894682), (10, 1947341), (11, 1770310), (22, 885155), (23, 846670), (43, 452870), (46, 423335), (55, 354062), (86, 226435), (110, 177031), (115, 169334), (179, 108790), (215, 90574), (230, 84667), (253, 76970), (358, 54395), (430, 45287), (473, 41170), (506, 38485), (895, 21758), (946, 20585), (989, 19690), (1265, 15394), (1790, 10879), (1969, 9890), (1978, 9845), (2365, 8234), (2530, 7697), (3938, 4945), (4117, 4730)]