18741448

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1019}}^1$

素因数の和:1066

約数の個数: 48

約数和(自身を含む): 40698000

約数和(自身を除く): 21956552

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 121, 152, 209, 242, 418, 484, 836, 968, 1019, 1672, 2038, 2299, 4076, 4598, 8152, 9196, 11209, 18392, 19361, 22418, 38722, 44836, 77444, 89672, 123299, 154888, 212971, 246598, 425942, 493196, 851884, 986392, 1703768, 2342681, 4685362, 9370724, 18741448]

約数ペア:

[(1, 18741448), (2, 9370724), (4, 4685362), (8, 2342681), (11, 1703768), (19, 986392), (22, 851884), (38, 493196), (44, 425942), (76, 246598), (88, 212971), (121, 154888), (152, 123299), (209, 89672), (242, 77444), (418, 44836), (484, 38722), (836, 22418), (968, 19361), (1019, 18392), (1672, 11209), (2038, 9196), (2299, 8152), (4076, 4598)]