18289876

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 38610432

約数和(自身を除く): 20320556

約数列:

[1, 2, 4, 11, 22, 23, 31, 44, 46, 53, 62, 92, 106, 121, 124, 212, 242, 253, 341, 484, 506, 583, 682, 713, 1012, 1166, 1219, 1364, 1426, 1643, 2332, 2438, 2783, 2852, 3286, 3751, 4876, 5566, 6413, 6572, 7502, 7843, 11132, 12826, 13409, 15004, 15686, 18073, 25652, 26818, 31372, 36146, 37789, 53636, 72292, 75578, 86273, 147499, 151156, 172546, 198803, 294998, 345092, 397606, 415679, 589996, 795212, 831358, 1662716, 4572469, 9144938, 18289876]

約数ペア:

[(1, 18289876), (2, 9144938), (4, 4572469), (11, 1662716), (22, 831358), (23, 795212), (31, 589996), (44, 415679), (46, 397606), (53, 345092), (62, 294998), (92, 198803), (106, 172546), (121, 151156), (124, 147499), (212, 86273), (242, 75578), (253, 72292), (341, 53636), (484, 37789), (506, 36146), (583, 31372), (682, 26818), (713, 25652), (1012, 18073), (1166, 15686), (1219, 15004), (1364, 13409), (1426, 12826), (1643, 11132), (2332, 7843), (2438, 7502), (2783, 6572), (2852, 6413), (3286, 5566), (3751, 4876)]