18824212

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 40219200

約数和(自身を除く): 21394988

約数列:

[1, 2, 4, 11, 19, 22, 23, 38, 44, 46, 76, 89, 92, 121, 178, 209, 242, 253, 356, 418, 437, 484, 506, 836, 874, 979, 1012, 1691, 1748, 1958, 2047, 2299, 2783, 3382, 3916, 4094, 4598, 4807, 5566, 6764, 8188, 9196, 9614, 10769, 11132, 18601, 19228, 21538, 22517, 37202, 38893, 43076, 45034, 52877, 74404, 77786, 90068, 105754, 155572, 204611, 211508, 247687, 409222, 427823, 495374, 818444, 855646, 990748, 1711292, 4706053, 9412106, 18824212]

約数ペア:

[(1, 18824212), (2, 9412106), (4, 4706053), (11, 1711292), (19, 990748), (22, 855646), (23, 818444), (38, 495374), (44, 427823), (46, 409222), (76, 247687), (89, 211508), (92, 204611), (121, 155572), (178, 105754), (209, 90068), (242, 77786), (253, 74404), (356, 52877), (418, 45034), (437, 43076), (484, 38893), (506, 37202), (836, 22517), (874, 21538), (979, 19228), (1012, 18601), (1691, 11132), (1748, 10769), (1958, 9614), (2047, 9196), (2299, 8188), (2783, 6764), (3382, 5566), (3916, 4807), (4094, 4598)]